{"id":8085,"date":"2017-10-20T14:59:00","date_gmt":"2017-10-20T14:59:00","guid":{"rendered":"http:\/\/bestkora.com\/IosDeveloper\/?p=8085"},"modified":"2018-07-04T10:06:42","modified_gmt":"2018-07-04T10:06:42","slug":"chto-novogo-v-swift-4","status":"publish","type":"post","link":"https:\/\/bestkora.com\/IosDeveloper\/chto-novogo-v-swift-4\/","title":{"rendered":"\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 Swift 4."},"content":{"rendered":"<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8249 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM.png\" alt=\"\" width=\"2660\" height=\"1116\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM.png 2660w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM-300x126.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM-768x322.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM-1024x430.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-7.42.42-AM-500x210.png 500w\" sizes=\"auto, (max-width: 2660px) 100vw, 2660px\" \/><\/a><br \/>\n<span style=\"font-weight: 400;\"><strong>Swift 4.0<\/strong>\u00a0\u0432 <strong>Xcode 9<\/strong> \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d, \u0438 \u043e\u043d \u043f\u0440\u0438\u043d\u0435\u0441 \u043d\u0430\u043c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438\u044f\u0442\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043c\u044b \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u043d\u0438 \u0442\u0430\u043a\u043e\u0439 \u043a\u0430\u0440\u0434\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u0430, \u043a\u0430\u043a \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u0434\u043b\u044f <strong>Swift 3<\/strong>, \u043d\u0438 \u0442\u0430\u043a\u0438\u0445 \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439, \u043a\u0430\u043a \u0432 <strong>Swift 2<\/strong>, \u043d\u043e \u0435\u0441\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0437\u0430\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0438\u0442\u044c \u0432\u0430\u0448 \u043a\u043e\u0434. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430 \u043d\u0438\u0445!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0421\u0435\u0439\u0447\u0430\u0441 \u043e\u0447\u0435\u043d\u044c \u043c\u043d\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430 \u043d\u0430 \u0442\u0435\u043c\u0443 &#171;\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 Swift 4&#187;. \u042f \u0432\u0437\u044f\u043b\u0430 \u0437\u0430 \u043e\u0441\u043d\u043e\u0432\u0443 \u0437\u043d\u0430\u043c\u0435\u043d\u0438\u0442\u0443\u044e <strong><a href=\"https:\/\/oleb.net\/blog\/2017\/05\/whats-new-in-swift-4-playground\/\">\u0441\u0442\u0430\u0442\u044c\u044e Ole Begemamm &#171;Playground: What&#8217;s new in Swift 4.&#187;,<\/a><\/strong>\u00a0 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u043b\u0430 \u0435\u0435 \u043e\u0447\u0435\u043d\u044c \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u043c\u0438 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u043c\u0438 \u0438\u0437 \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0442\u0430\u0442\u0435\u0439, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u0432 \u0432 \u0432\u0430\u0448\u0435 \u0440\u0430\u0441\u043f\u043e\u0440\u044f\u0436\u0435\u043d\u0438\u0435 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong>\u00a0\u0441 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u043c\u0438 \u043d\u0430 \u0440\u0443\u0441\u0441\u043a\u043e\u043c \u044f\u0437\u044b\u043a\u0435.<\/span><\/p>\n<p><!--more--><\/p>\n<h1 class=\"nolinks\">Encoding and Decoding<\/h1>\n<p><span style=\"font-weight: 400;\">\u041f\u0430\u0440\u0441\u0438\u043d\u0433 <strong>JSON<\/strong> &#8212; \u043e\u0434\u043d\u0430 \u0438\u0437 \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u0435\u043c\u044b\u0445 \u0442\u0435\u043c \u0432 <strong>Swift<\/strong> \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435. \u042d\u0442\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u0437\u0430\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0447\u0442\u043e \u043a\u0442\u043e-\u0442\u043e \u0432\u0437\u044f\u043b \u043d\u0430 \u0441\u0435\u0431\u044f \u0442\u0440\u0443\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u00a0<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0166-swift-archival-serialization.md\">SE-0166<\/a><\/strong>\u00a0\u0438\u00a0<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0167-swift-encoders.md\">SE-0167<\/a><\/strong>\u00a0\u0438 \u043f\u0440\u043e\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c \u0438\u0434\u0435\u044e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0432 <strong><span style=\"color: #0000ff;\">Foundation<\/span><\/strong> \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435\u00a0<strong>APIs<\/strong> \u0430\u0440\u0445\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u0422\u0435\u043f\u0435\u0440\u044c \u0432 <strong>Swift 4<\/strong> \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043f\u0430\u0440\u0441\u0438\u043d\u0433\u0435 (<strong>decode<\/strong>) \u0438\u043b\u0438 \u0430\u0440\u0445\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 (<strong>encode<\/strong>) \u0432\u0430\u0448\u0435\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">class<\/span><\/strong>, \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b <strong><span style=\"color: #0000ff;\">struct<\/span><\/strong> \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f <strong><span style=\"color: #0000ff;\">enum<\/span><\/strong> \u0432\u0440\u0443\u0447\u043d\u0443\u044e. \u0417\u0430 \u0432\u0430\u0441 \u044d\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 <strong>Swift 4<\/strong> \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b <strong><span style=\"color: #0000ff;\">Encodable<\/span><\/strong> \u0438 <strong><span style=\"color: #0000ff;\">Decodable<\/span><\/strong>, \u0438 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0437\u0430\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0432\u0430\u0448\u0438 \u043a\u043b\u0430\u0441\u0441\u044b, \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0438 \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f &#171;\u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0442\u044c&#187; \u0438\u0445 \u043f\u0440\u043e\u0441\u0442\u044b\u043c \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0432 \u0441\u043f\u0438\u0441\u043e\u043a \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430\u00a0<span style=\"color: #0000ff;\"><strong>Codable<\/strong> <\/span>(\u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0430\u043b\u0438\u0430\u0441\u043e\u043c \u0434\u043b\u044f <strong><span style=\"color: #0000ff;\">Decodable &amp; Encodable<\/span><\/strong>). \u0417\u0430\u0442\u0435\u043c \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u0434\u0435\u0440\u00a0<strong><span style=\"color: #0000ff;\">JSONEncoder<\/span><\/strong> \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f (<strong>encode<\/strong>) \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430 \u0432\u0430\u0448\u0435\u0433\u043e \u0442\u0438\u043f\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-09-at-5.04.21-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8088 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-09-at-5.04.21-PM.png\" alt=\"\" width=\"990\" height=\"662\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-09-at-5.04.21-PM.png 990w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-09-at-5.04.21-PM-300x201.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-09-at-5.04.21-PM-768x514.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-09-at-5.04.21-PM-449x300.png 449w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043a\u043e\u0434\u0435\u0440\u0430 <strong><span style=\"color: #0000ff;\">jsonEncoder<\/span><\/strong>\u00a0 \u0434\u043b\u044f \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b <strong><span style=\"color: #0000ff;\">Conference<\/span><\/strong> \u0432 \u0441\u0442\u0440\u043e\u0447\u043d\u043e\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 <strong>JSON<\/strong> \u043e\u0431\u044a\u0435\u043a\u0442\u0430 <strong><span style=\"color: #0000ff;\">jsonString<\/span><\/strong>.\u00a0\u041a\u0430\u043a \u0432\u0438\u0434\u0438\u043c, \u0444\u043e\u0440\u043c\u0430\u0442 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0430\u0442\u044b, \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0439 \u043a\u043e\u0434\u0435\u0440\u043e\u043c <span style=\"color: #0000ff;\"><strong>jsonEncoder<\/strong><\/span>\u00a0\u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e, \u043e\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u043d\u0435\u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c. \u041d\u043e \u0432\u044b \u0443\u0434\u0438\u0432\u0438\u0442\u0435\u0441\u044c, \u043a\u0430\u043a \u043f\u0440\u043e\u0441\u0442\u043e \u043d\u0430\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u043d\u0443\u0436\u043d\u044b\u0439 \u0432\u0430\u043c \u0444\u043e\u0440\u043c\u0430\u0442 <strong>JSON<\/strong> \u043e\u0431\u044a\u0435\u043a\u0442\u0430. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0434\u0430\u0442\u044b \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u044e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u0442\u044b <strong><span style=\"color: #0000ff;\">dataEncodingStrategy<\/span><\/strong> \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8090 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM.png\" alt=\"\" width=\"1140\" height=\"866\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM.png 1140w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM-300x228.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM-768x583.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM-1024x778.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.06.34-AM-395x300.png 395w\" sizes=\"auto, (max-width: 1140px) 100vw, 1140px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041e\u0431\u0440\u0430\u0442\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u043f\u0430\u0440\u0441\u0438\u043d\u0433\u0430 (<strong>decode<\/strong>) \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043a\u043b\u0430\u0441\u0441\u0443 <strong><span style=\"color: #0000ff;\">JSONDecoder<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8092 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM.png\" alt=\"\" width=\"1228\" height=\"342\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM.png 1228w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM-300x84.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM-768x214.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM-1024x285.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-10-at-7.31.27-AM-500x139.png 500w\" sizes=\"auto, (max-width: 1228px) 100vw, 1228px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041c\u044b \u043f\u0435\u0440\u0435\u0434\u0430\u0435\u043c \u043c\u0435\u0442\u043e\u0434\u0443 <strong><span style=\"color: #0000ff;\">decode<\/span><\/strong> \u0434\u0435\u043a\u043e\u0434\u0435\u0440\u0430 <strong><span style=\"color: #0000ff;\">jsonDecoder<\/span><\/strong> \u0442\u0438\u043f \u043e\u0431\u044a\u0435\u043a\u0442\u0430 ( \u0432 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 <strong><span style=\"color: #0000ff;\">Conference<\/span><\/strong>), \u0434\u0430\u0432\u0430\u044f \u0435\u043c\u0443 \u043f\u043e\u043d\u044f\u0442\u044c, \u043a\u0430\u043a\u043e\u0439 \u043e\u0431\u044a\u0435\u043a\u0442 \u043c\u044b \u043e\u0436\u0438\u0434\u0430\u0435\u043c \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0438\u0437 <strong>JSON<\/strong> \u0434\u0430\u043d\u043d\u044b\u0445. \u00a0\u0415\u0441\u043b\u0438 \u0432\u0441\u0435 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0443\u0441\u043f\u0435\u0448\u043d\u043e, \u0442\u043e \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u043c \u0433\u043e\u0442\u043e\u0432\u044b\u0439 \u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044e \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043e\u0431\u044a\u0435\u043a\u0442\u0430. \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0448\u0435\u0439 \u041c\u043e\u0434\u0435\u043b\u044c\u044e.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043d\u043e\u0432\u044b\u0439 <strong>\u00a0API<\/strong> \u043e\u0431\u043b\u0430\u0434\u0430\u0435\u0442 \u0433\u043e\u0440\u0430\u0437\u0434\u043e \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043e\u0442\u043a\u0440\u044b\u0442\u0430 \u00a0\u0432 \u043f\u043e\u0441\u0442\u0435<strong> <a href=\"https:\/\/bestkora.com\/IosDeveloper\/swift-4-parsim-json\/\">&#171;\u041f\u0430\u0440\u0441\u0438\u043c JSON \u0432 Swift 4&#187;<\/a><\/strong>. \u0422\u0430\u043c \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e, \u043a\u0430\u043a \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u044b \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u043e\u0441\u0442\u043e \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u0432\u043e\u0438 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 <strong><span style=\"color: #0000ff;\">encode<\/span><\/strong> \u00a0\u0438 <strong><span style=\"color: #0000ff;\">decode<\/span><\/strong> \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043f\u0440\u043e\u0441\u0442\u043e\u043c\u0443 \u0438 \u043e\u0447\u0435\u043d\u044c \u0433\u0438\u0431\u043a\u043e\u043c\u0443 <strong>API<\/strong> \u043a\u043b\u0430\u0441\u0441\u043e\u0432 <strong><span style=\"color: #0000ff;\">JSONEncode<\/span><\/strong> \u00a0\u0438 <strong><span style=\"color: #0000ff;\">JSONDecode<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong> <a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Codable&#187;.<\/span><\/p>\n<h1>Strings.<\/h1>\n<p><strong>\u041f\u0440\u043e\u0449\u0430\u0439\u0442\u0435 string.characters.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">\u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044e<strong>\u00a0<a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0163-string-revision-1.md\">SE-0163<\/a><\/strong>\u00a0\u0432\u00a0<strong>Swift 4\u00a0\u00a0<span style=\"color: #0000ff;\">String<\/span><\/strong> \u043e\u043f\u044f\u0442\u044c (\u043f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a \u0443\u0431\u0440\u0430\u043b\u0438 \u0432 <strong>Swift 2<\/strong>) \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong>. \u0422\u0435\u043f\u0435\u0440\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u043a\u0430\u043a \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0441 \u043d\u0438\u043c\u0438 \u0432\u0441\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043f\u0440\u0438\u0441\u0443\u0449\u0438\u0435 <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong>, \u0442\u0430\u043a\u0438\u0435, \u043a\u0430\u043a <strong><span style=\"color: #0000ff;\">reversed()<\/span><\/strong>, <strong><span style=\"color: #0000ff;\">filter(), dropFirst()<\/span><\/strong>\u00a0\u0438 \u0442.\u0434.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8094 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM.png\" alt=\"\" width=\"1052\" height=\"740\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM.png 1052w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM-300x211.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM-768x540.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM-1024x720.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-11-at-8.15.34-AM-426x300.png 426w\" sizes=\"auto, (max-width: 1052px) 100vw, 1052px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 <strong>Swift 2 &amp; 3<\/strong> \u0442\u0430\u043a\u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u0434\u0435\u043b\u0430\u0442\u044c \u044d\u0442\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043d\u043e \u0441\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e\u043c <strong><span style=\"color: #0000ff;\">characters<\/span><\/strong>, \u0447\u0442\u043e \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u043b\u043e \u043a \u043d\u0435 \u043e\u0447\u0435\u043d\u044c \u0445\u043e\u0440\u043e\u0448\u0435\u0439 \u0447\u0438\u0442\u0430\u0435\u043c\u043e\u0441\u0442\u0438 \u043a\u043e\u0434\u0430.<\/span><\/p>\n<h2>\u041d\u043e\u0432\u044b\u0439 \u0442\u0438\u043f \u0434\u0430\u043d\u043d\u044b\u0445 <span style=\"color: #0000ff;\">Substring<\/span>.<\/h2>\n<p><span style=\"font-weight: 400;\"><strong>Swift 4<\/strong> \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u043d\u043e\u0432\u044b\u0439 \u0442\u0438\u043f <strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong><em>,<\/em>\u00a0\u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u0440\u0430\u0437\u0434\u0435\u043b\u044f\u044e\u0449\u0438\u0445 \u0441\u0442\u0440\u043e\u043a\u0443 \u043d\u0430 \u0447\u0430\u0441\u0442\u0438 \u0438\u043b\u0438 \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u044b, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u00a0<strong><span style=\"color: #0000ff;\">split (separator:) <\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">:<\/span><\/span><span style=\"color: #000000;\">\u00a0<\/span><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8100 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM.png\" alt=\"\" width=\"1050\" height=\"626\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM.png 1050w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM-300x179.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM-768x458.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM-1024x610.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.03.26-AM-500x298.png 500w\" sizes=\"auto, (max-width: 1050px) 100vw, 1050px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0438\u043b\u0438 <strong><span style=\"color: #0000ff;\">prefix (_:)<\/span><\/strong> :<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8102 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM.png\" alt=\"\" width=\"1058\" height=\"182\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM.png 1058w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM-300x52.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM-768x132.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM-1024x176.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-9.52.32-AM-500x86.png 500w\" sizes=\"auto, (max-width: 1058px) 100vw, 1058px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0438\u043b\u0438 \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0435 \u0441\u043b\u0430\u0439\u0441\u0430 \u0441\u0442\u0440\u043e\u043a\u0438 <strong><span style=\"color: #0000ff;\">substring<\/span><\/strong> \u043f\u0443\u0442\u0435\u043c \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u043e\u0432 \u0447\u0435\u0440\u0435\u0437 \u0441\u0430\u0431\u0441\u043a\u0440\u0438\u043f\u0442 (<strong>subscripting<\/strong>):<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8099 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM.png\" alt=\"\" width=\"1050\" height=\"328\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM.png 1050w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM-300x94.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM-768x240.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM-1024x320.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-12-at-7.02.47-AM-500x156.png 500w\" sizes=\"auto, (max-width: 1050px) 100vw, 1050px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u0437\u0433\u043b\u044f\u0434 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u0443\u043a\u043b\u044e\u0436\u0438\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u0432\u0443\u0445 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u0442\u0440\u043e\u043a, \u043d\u043e, \u043a\u0430\u043a \u043e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u044d\u0442\u043e \u0434\u0430\u0435\u0442 \u043d\u0430\u043c \u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u043e \u0432 \u043f\u043b\u0430\u043d\u0435 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u043e\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438, \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u043c\u043e\u0439 \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 \u0438\u0437\u0431\u044b\u0442\u043e\u0447\u043d\u044b\u0445 \u043a\u043e\u043f\u0438\u0439 \u0441\u0442\u0440\u043e\u043a, <strong>Swift<\/strong> \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u201c<strong>copy on write<\/strong>\u201d \u0434\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435, \u043a\u043e\u0433\u0434\u0430 \u044d\u0442\u043e \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e. \u042d\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0438 <strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong> \u0447\u0430\u0441\u0442\u043e \u0440\u0430\u0437\u0434\u0435\u043b\u044f\u044e\u0442 \u0442\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0435 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u043e \u0432 \u043f\u0430\u043c\u044f\u0442\u0438, \u0447\u0442\u043e \u0438 \u0438\u0445 \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u0430\u044f \u0441\u0442\u0440\u043e\u043a\u0430 <strong><span style=\"color: #0000ff;\">String<\/span> <\/strong>\u0438\u043b\u0438 \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0430 <strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.05.37-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8103 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.05.37-AM.png\" alt=\"\" width=\"836\" height=\"632\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.05.37-AM.png 836w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.05.37-AM-300x227.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.05.37-AM-768x581.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.05.37-AM-397x300.png 397w\" sizes=\"auto, (max-width: 836px) 100vw, 836px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0430 <strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong> &#171;\u0434\u0435\u0440\u0436\u0438\u0442&#187; \u043f\u043e\u043b\u043d\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong>, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u043d\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0430. \u042d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442\u044c \u043a \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u043c\u0443 \u043e\u0447\u0435\u043d\u044c \u0431\u043e\u043b\u044c\u0448\u043e\u043c\u0443 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f &#171;\u043f\u0430\u043c\u044f\u0442\u0438&#187; \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0445 \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a <strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u0435\u0440\u0436\u0430\u0442 \u0431\u043e\u043b\u044c\u0448\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong>, \u0432 \u0434\u0440\u0443\u0433\u0438\u0435 <strong>API<\/strong>. \u041f\u043e \u044d\u0442\u043e\u0439 \u043f\u0440\u0438\u0447\u0438\u043d\u0435 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u044e\u0442 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430 \u0441\u0442\u0440\u043e\u043a\u0443 <span style=\"color: #0000ff;\"><strong>String<\/strong><\/span>, \u0434\u043e\u043b\u0436\u043d\u044b \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0440\u043e\u043a\u0443 <span style=\"color: #0000ff;\"><strong>String<\/strong><\/span>\u00a0\u0432\u0430\u043c \u043d\u0435 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0434\u0435\u043b\u0430\u0442\u044c \u044d\u0442\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 <strong>generic<\/strong> \u0438 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u043b\u044e\u0431\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, &#171;\u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u044e\u0449\u0435\u0435&#187; \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">StringProtocol<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u0430\u0432\u0430\u044f \u043d\u0430\u043c \u0442\u0438\u043f <strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong> \u0432\u043c\u0435\u0441\u0442\u043e \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0433\u043e \u0442\u0438\u043f\u0430 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong>, <strong>Swift<\/strong> \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 &#171;\u0437\u0430\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442&#187; \u043d\u0430\u0441 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c &#171;\u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435&#187; (copy) \u042f\u0412\u041d\u041e, \u0435\u0441\u043b\u0438 \u044d\u0442\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e, \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0430\u044f \u0442\u0435\u043c \u0441\u0430\u043c\u044b\u043c &#171;\u043f\u0430\u043c\u044f\u0442\u044c&#187; \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438. \u042d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0441\u0442\u0440\u043e\u043a\u0438\u00a0<strong><span style=\"color: #0000ff;\">String<\/span><\/strong> \u0438\u0437 \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0438\u00a0<strong><span style=\"color: #0000ff;\">Substring<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8104 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM.png\" alt=\"\" width=\"1048\" height=\"394\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM.png 1048w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM-300x113.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM-768x289.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM-1024x385.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-13-at-11.10.59-AM-500x188.png 500w\" sizes=\"auto, (max-width: 1048px) 100vw, 1048px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\"><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u041f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0438<\/span><\/span><strong><span style=\"color: #0000ff;\"> Substrings<\/span> <\/strong>\u043d\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0442 \u0434\u043b\u044f \u0434\u043e\u043b\u0433\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u0437-\u0437\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438, \u0442\u0430\u043a \u043a\u0430\u043a &#171;\u0434\u0435\u0440\u0436\u0430\u0442&#187; \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u043b\u043d\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443. \u0415\u0441\u043b\u0438 \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u044b <strong><span style=\"color: #0000ff;\">Sustring<\/span><\/strong> \u0434\u043b\u044f \u0434\u043e\u043b\u0433\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f, \u0430 \u043d\u0435 \u0434\u043b\u044f \u0432\u044b\u044f\u0441\u043d\u0435\u043d\u0438\u044f \u043a\u0430\u043a\u0438\u0445-\u0442\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u0443\u0441\u043a\u0430 \u043a\u043e\u0434\u0430, \u0442\u043e \u043b\u0443\u0447\u0448\u0435 \u0438\u0445 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0432 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong> \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u043c \u0432\u044b\u0448\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0435 \u0432\u0441\u0435 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u044b \u0442\u0430\u043a\u0438\u043c \u0440\u0435\u0448\u0435\u043d\u0438\u0435\u043c <strong>Apple<\/strong>, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u0447\u0438\u0442\u0430\u044e\u0442 \u0435\u0433\u043e <strong><a href=\"https:\/\/digitalleaves.com\/blog\/2017\/06\/whats-new-in-swift-4\/\">\u043e\u0448\u0438\u0431\u043e\u0447\u043d\u044b\u043c<\/a>.<\/strong><\/span><\/p>\n<h2 id=\"unicode-9\">Unicode 9<\/h2>\n<p><span style=\"font-weight: 400;\"><strong>Swift 3<\/strong> \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u043b \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0432 \u0441\u0442\u0440\u043e\u043a\u0435, \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0438\u0437 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0430 \u044d\u043c\u043e\u0434\u0437\u0438. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0447\u0438\u0441\u043b\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0432 \u044d\u043c\u043e\u0434\u0437\u0438 &#171;\u0441\u0435\u043c\u044c\u044f&#187;\u00a0<span style=\"color: #0000ff;\"><strong>&#171;?\u200d?\u200d?\u200d?&#187;.count<\/strong><\/span> <strong>Swift 3<\/strong>\u00a0\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u043a\u0430\u043a\u00a0<span style=\"color: #0000ff;\"><strong>4<\/strong><\/span>, \u0445\u043e\u0442\u044f \u0434\u043e\u043b\u0436\u043d\u043e \u0431\u044b\u0442\u044c <strong><span style=\"color: #0000ff;\">1<\/span><\/strong>. <strong>Swift 4<\/strong>\u00a0\u0438\u0441\u043f\u0440\u0430\u0432\u0438\u043b \u044d\u0442\u0443 \u043e\u0448\u0438\u0431\u043a\u0443:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.51.50-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8107 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.51.50-PM.png\" alt=\"\" width=\"1048\" height=\"1096\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.51.50-PM.png 1048w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.51.50-PM-287x300.png 287w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.51.50-PM-768x803.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.51.50-PM-979x1024.png 979w\" sizes=\"auto, (max-width: 1048px) 100vw, 1048px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412\u044b\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u043b\u0438\u0432\u0448\u0438\u0435\u0441\u044f \u0432 \u043e\u0434\u043d\u0443 \u0433\u0440\u0430\u0444\u0435\u043c\u0443 <strong>Unicode<\/strong> \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u043c\u043e\u0436\u043d\u043e \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043a\u043e\u0434\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8108 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM.png\" alt=\"\" width=\"1074\" height=\"764\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM.png 1074w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM-300x213.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM-768x546.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM-1024x728.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-14-at-1.57.23-PM-422x300.png 422w\" sizes=\"auto, (max-width: 1074px) 100vw, 1074px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0422\u0435\u043f\u0435\u0440\u044c \u0432\u043e \u0432\u0441\u0435\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043d\u0438\u0436\u0435, \u043f\u043e\u0434\u0441\u0447\u0435\u0442 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0432 <strong>Swift 4<\/strong> \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e (\u0447\u0435\u0433\u043e \u043d\u0435 \u0431\u044b\u043b\u043e \u0432 <strong>Swift 3<\/strong>):<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8111 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM.png\" alt=\"\" width=\"1378\" height=\"278\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM.png 1378w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM-300x61.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM-768x155.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM-1024x207.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-10.27.33-AM-500x101.png 500w\" sizes=\"auto, (max-width: 1378px) 100vw, 1378px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0422\u0435\u043f\u0435\u0440\u044c \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u043f\u0440\u044f\u043c\u043e\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0443 <strong><span style=\"color: #0000ff;\">unicodeScalars<\/span><\/strong> \u0443 <strong><span style=\"color: #0000ff;\">Character<\/span><\/strong>, \u0431\u0435\u0437 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u0430\u0446\u0438\u0438 \u0432 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong> (<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0178-character-unicode-view.md\">SE-0178<\/a><\/strong>):<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8120 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM.png\" alt=\"\" width=\"1048\" height=\"268\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM.png 1048w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM-300x77.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM-768x196.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM-1024x262.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.52.00-PM-500x128.png 500w\" sizes=\"auto, (max-width: 1048px) 100vw, 1048px\" \/><\/a><\/p>\n<h2 id=\"mnogostrochnye-strokovye-literaly\">\u041c\u043d\u043e\u0433\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u044b\u0435 \u043b\u0438\u0442\u0435\u0440\u0430\u043b\u044b<\/h2>\n<p><span style=\"font-weight: 400;\">\u0418\u043d\u043e\u0433\u0434\u0430 \u0432\u0430\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0438\u043c\u0435\u0442\u044c \u0432 \u0441\u0432\u043e\u0435\u043c \u043a\u043e\u0434\u0435 \u0434\u043b\u0438\u043d\u043d\u0443\u044e, \u043c\u043d\u043e\u0433\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443. \u042d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c <strong>HTML<\/strong> \u0448\u0430\u0431\u043b\u043e\u043d, <strong>blob XML<\/strong> \u0438\u043b\u0438 \u0434\u043b\u0438\u043d\u043d\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e. \u0412 \u043b\u044e\u0431\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0437\u0430\u0434\u0430\u043d\u0438\u0435 \u0442\u0430\u043a\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 \u0432 <strong>Swift 3<\/strong> \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f &#171;\u043d\u0435\u043a\u0440\u0430\u0441\u0438\u0432\u043e\u0439&#187; \u043e\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u043e\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0442 &#171;<strong>\\n<\/strong>&#187; \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u0434\u043b\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0435\u0435 \u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0438:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8113 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM.png\" alt=\"\" width=\"1278\" height=\"830\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM.png 1278w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM-300x195.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM-768x499.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM-1024x665.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.19.41-PM-462x300.png 462w\" sizes=\"auto, (max-width: 1278px) 100vw, 1278px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Swift 4<\/strong> \u0440\u0430\u0437\u0440\u0435\u0448\u0438\u043b \u044d\u0442\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u043d\u043e\u0433\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u044b\u0445 \u043b\u0438\u0442\u0435\u0440\u0430\u043b\u043e\u0432. \u0414\u043b\u044f \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u043c\u043d\u043e\u0433\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u043e\u0433\u043e \u043b\u0438\u0442\u0435\u0440\u0430\u043b\u0430 \u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0442\u0440\u0438 \u0434\u0432\u043e\u0439\u043d\u044b\u0445 \u043a\u0430\u0432\u044b\u0447\u043a\u0438<strong><span style=\"color: #0000ff;\"> &#171;&#187;&#187;<\/span> <\/strong>\u0432\u043d\u0430\u0447\u0430\u043b\u0435 \u0438 \u0432 \u043a\u043e\u043d\u0446\u0435:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.55.04-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8114 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.55.04-PM.png\" alt=\"\" width=\"1062\" height=\"1142\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.55.04-PM.png 1062w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.55.04-PM-279x300.png 279w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.55.04-PM-768x826.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-12.55.04-PM-952x1024.png 952w\" sizes=\"auto, (max-width: 1062px) 100vw, 1062px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0435\u043b\u044c\u0437\u044f \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \u0441 \u0442\u0440\u0435\u043c\u044f \u0434\u0432\u043e\u0439\u043d\u044b\u043c\u0438 \u043a\u0430\u0432\u044b\u0447\u043a\u0430\u043c\u0438 \u0432 \u043e\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0435. \u0412 <strong>Swift 4<\/strong> \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u043c \u043e\u0448\u0438\u0431\u043a\u0443:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8116 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM.png\" alt=\"\" width=\"1236\" height=\"380\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM.png 1236w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM-300x92.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM-768x236.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM-1024x315.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.04.46-PM-500x154.png 500w\" sizes=\"auto, (max-width: 1236px) 100vw, 1236px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0418\u0441\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u044d\u0442\u043e \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8117 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM.png\" alt=\"\" width=\"1068\" height=\"138\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM.png 1068w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM-300x39.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM-768x99.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM-1024x132.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.07.15-PM-500x65.png 500w\" sizes=\"auto, (max-width: 1068px) 100vw, 1068px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041e\u0442\u0441\u0442\u0443\u043f \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0441\u0442\u0440\u043e\u043a\u0438 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043e\u0442\u0441\u0442\u0443\u043f\u0430 \u043e\u0442 \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u044e\u0449\u0435\u0439\u0441\u044f \u043c\u0435\u0442\u043a\u0438<strong><span style=\"color: #0000ff;\"> &#171;&#187;&#187;<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.10.36-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8118 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.10.36-PM.png\" alt=\"\" width=\"1048\" height=\"1142\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.10.36-PM.png 1048w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.10.36-PM-275x300.png 275w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.10.36-PM-768x837.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-17-at-1.10.36-PM-940x1024.png 940w\" sizes=\"auto, (max-width: 1048px) 100vw, 1048px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong> <a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Strings&#187;.<\/span><\/p>\n<h1>\u041e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0435 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u044b<\/h1>\n<p><span style=\"font-weight: 400;\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 <strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0172-one-sided-ranges.md\">[SE-0172]<\/a><\/strong> \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">RangeExpression<\/span><\/strong> \u0438 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e <strong>prefix\/postfix<\/strong> \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u043e\u0432, \u0442\u043e \u0435\u0441\u0442\u044c \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u043e\u0432, \u0433\u0434\u0435 \u043b\u0438\u0431\u043e \u0432\u0435\u0440\u0445\u043d\u044f\u044f, \u043b\u0438\u0431\u043e \u043d\u0438\u0436\u043d\u044f\u044f \u0433\u0440\u0430\u043d\u0438\u0446\u0430 \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u044b.\u00a0\u0412 \u043e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430\u0445 &#171;\u043f\u0443\u0441\u0442\u0430\u044f&#187; \u0441\u0442\u043e\u0440\u043e\u043d\u0430 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u0438\u043b\u0438 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 \u0441\u043b\u0443\u0447\u0430\u0435 \u0441\u0430\u0431\u0441\u043a\u0440\u0438\u043f\u0442\u0430 (<strong>subscripting<\/strong>) \u0432 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u0445 \u044d\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043d\u0435 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u0442\u0430\u043a\u0438\u0435 \u0432\u0435\u0449\u0438, \u043a\u0430\u043a <strong><span style=\"color: #0000ff;\">string.endIndex<\/span><\/strong> \u0438\u043b\u0438 <strong><span style=\"color: #0000ff;\">array.count<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0441\u043b\u0438 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u044c \u043c\u0430\u0441\u0441\u0438\u0432 \u043d\u0430 \u0434\u0432\u0435 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043a\u0438:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8121 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM.png\" alt=\"\" width=\"1052\" height=\"654\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM.png 1052w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM-300x187.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM-768x477.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM-1024x637.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.30.21-PM-483x300.png 483w\" sizes=\"auto, (max-width: 1052px) 100vw, 1052px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0435\u0441\u043b\u0438 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0443 \u0434\u043e \u043a\u0430\u043a\u043e\u0433\u043e-\u0442\u043e \u0438\u043d\u0434\u0435\u043a\u0441\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8122 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM.png\" alt=\"\" width=\"1044\" height=\"210\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM.png 1044w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM-300x60.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM-768x154.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM-1024x206.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.43.19-PM-500x101.png 500w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0440\u043e\u043a\u0443 \u043f\u043e\u0441\u043b\u0435 \u043a\u0430\u043a\u043e\u0433\u043e-\u0442\u043e \u0438\u043d\u0434\u0435\u043a\u0441\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8123 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM.png\" alt=\"\" width=\"1044\" height=\"160\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM.png 1044w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM-300x46.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM-768x118.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM-1024x157.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.44.35-PM-500x77.png 500w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f \u043e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u043e\u0432 \u0434\u043e \u043a\u0430\u043a\u043e\u0439-\u0442\u043e \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0439 \u0432\u0435\u043b\u0438\u0447\u0438\u043d\u044b \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <strong><span style=\"color: #0000ff;\">..&lt;<\/span><\/strong> \u0434\u043b\u044f \u0438\u0441\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430 \u0438\u043b\u0438 <strong><span style=\"color: #0000ff;\">&#8230;<\/span><\/strong> \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430 \u0442\u043e\u0447\u043d\u043e \u0442\u0430\u043a\u0436\u0435, \u043a\u0430\u043a \u0438 \u0434\u043b\u044f \u0434\u0432\u0443\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u043e\u0432. \u0414\u043b\u044f \u043e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u0433\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430, \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0449\u0435\u0433\u043e\u0441\u044f \u0441 \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f, \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0439 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u00a0<strong><span style=\"color: #0000ff;\">&#8230;<\/span><\/strong> , \u0442\u0430\u043a \u043a\u0430\u043a \u043d\u0435\u0442 \u043d\u0438\u043a\u0430\u043a\u043e\u0439 \u0440\u0430\u0437\u043d\u0438\u0446\u044b \u043c\u0435\u0436\u0434\u0443 <strong><span style=\"color: #0000ff;\">..<\/span><\/strong>. \u0438 <strong><span style=\"color: #0000ff;\">..&lt;<\/span><\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8124 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM.png\" alt=\"\" width=\"1044\" height=\"916\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM.png 1044w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM-300x263.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM-768x674.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM-1024x898.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.48.24-PM-342x300.png 342w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0439 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0434\u043b\u044f \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0435\u0441\u043a\u043e\u043d\u0435\u0447\u043d\u043e\u0439 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u0442\u043e \u0435\u0441\u0442\u044c \u043a\u0430\u043a \u0431\u043e\u043b\u0435\u0435 \u0433\u0438\u0431\u043a\u043e\u0435 \u0437\u0430\u043c\u0435\u0449\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">enumerated()<\/span><\/strong>, \u0435\u0441\u043b\u0438 \u0432\u044b \u043d\u0435 \u0445\u043e\u0442\u0438\u0442\u0435 \u043d\u0430\u0447\u0438\u043d\u0430\u0442\u044c \u0441 \u043d\u0443\u043b\u044f:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8125 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM.png\" alt=\"\" width=\"1048\" height=\"354\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM.png 1048w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM-300x101.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM-768x259.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM-1024x346.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.50.42-PM-500x169.png 500w\" sizes=\"auto, (max-width: 1048px) 100vw, 1048px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0415\u0441\u043b\u0438\u00a0 \u0432\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u043e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0435 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u044b \u0434\u043b\u044f \u0441\u0430\u043d\u0441\u043a\u0440\u0438\u0442\u0430 (<strong>subscripting<\/strong>) \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong>, \u0442\u043e <strong><span style=\"color: #0000ff;\">startIndex<\/span><\/strong> \u0438\u043b\u0438 <strong><span style=\"color: #0000ff;\">endIndex<\/span><\/strong> \u201c\u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0442\u201d \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0440\u043e\u043f\u0443\u0449\u0435\u043d\u043d\u044b\u0435 \u043d\u0438\u0436\u043d\u044e\u044e \u0438\u043b\u0438 \u0432\u0435\u0440\u0445\u043d\u044e\u044e \u0433\u0440\u0430\u043d\u0438\u0446\u044b.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8126 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM.png\" alt=\"\" width=\"1050\" height=\"334\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM.png 1050w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM-300x95.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM-768x244.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM-1024x326.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-2.58.00-PM-500x159.png 500w\" sizes=\"auto, (max-width: 1050px) 100vw, 1050px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041e\u0434\u043d\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0435 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u044b \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0448\u0430\u0431\u043b\u043e\u043d\u043e\u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u044f, \u0442\u043e \u0435\u0441\u0442\u044c \u0432 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f\u0445 <strong><span style=\"color: #0000ff;\">case<\/span><\/strong> \u0432 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0438 <strong><span style=\"color: #0000ff;\">switch<\/span><\/strong>. \u0425\u043e\u0442\u044f, \u0437\u0430\u043c\u0435\u0442\u044c\u0442\u0435, \u0447\u0442\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u043d\u0435 \u043c\u043e\u0436\u0435\u0442 (\u043f\u043e\u043a\u0430?) \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c, \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 <strong><span style=\"color: #0000ff;\">switch<\/span><\/strong> \u0438\u0441\u0447\u0435\u0440\u043f\u044b\u0432\u0430\u044e\u0449\u0438\u043c, \u0442\u043e \u0435\u0441\u0442\u044c \u043f\u043e\u043a\u0440\u044b\u0432\u0430\u0435\u0442 \u0432\u0441\u0435 \u0441\u043b\u0443\u0447\u0430\u0438.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8127 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM.png\" alt=\"\" width=\"1040\" height=\"546\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM.png 1040w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM-300x158.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM-768x403.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM-1024x538.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-09-18-at-3.00.34-PM-500x263.png 500w\" sizes=\"auto, (max-width: 1040px) 100vw, 1040px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong> <a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;One-sided ranges&#187;.<\/span><\/p>\n<h1>\u0423\u043c\u043d\u044b\u0435 key paths<\/h1>\n<p><span style=\"font-weight: 400;\">\u041e\u0434\u043d\u0430 \u0438\u0437 \u0433\u043b\u0430\u0432\u043d\u044b\u0445 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0435\u0439 <strong>Swift 4<\/strong> &#8212; \u044d\u0442\u043e \u043d\u043e\u0432\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c <span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span>,\u00a0\u043e\u043f\u0438\u0441\u0430\u043d\u043d\u0430\u044f \u0432 <strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0161-key-paths.md\">[SE-0161]<\/a><\/strong>.\u00a0\u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0438 \u043e\u0442 \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u044b\u0445 \u00a0<span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span>\u00a0\u0432 <strong>Objective-C<\/strong>, \u0432 <strong>Swift 4<\/strong> \u043a\u043b\u044e\u0447\u0438 \u043f\u0443\u0442\u0438 \u0441\u0442\u0440\u043e\u0433\u043e \u0442\u0438\u043f\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044e, \u043d\u0435 \u0432\u043e\u0432\u043b\u0435\u043a\u0430\u044f \u0435\u0435 \u0441\u0430\u043c\u0443 \u0432 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u00a0\u0438 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0432 <strong>Swift<\/strong> &#8212; \u044d\u0442\u043e \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f (<strong>closures<\/strong>). \u0422\u043e\u0447\u043d\u043e \u0442\u0430\u043a\u0436\u0435 \u043c\u044b \u0445\u043e\u0442\u0435\u043b\u0438 \u0431\u044b \u043f\u043e\u0441\u0442\u0443\u043f\u0430\u0442\u044c \u0441 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 (\u0430 \u0431\u043e\u043b\u0435\u0435 \u0448\u0438\u0440\u043e\u043a\u043e &#8212; \u0441\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u0442\u0438\u043f\u0430). \u042d\u0442\u043e \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u043d\u0430 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430, \u0442\u0430\u043a \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u043c\u044b\u0445\u00a0\u043a\u043b\u044e\u0447\u0435\u0439 \u043f\u0443\u0442\u0438 (\u00a0<strong><span style=\"color: #0000ff;\">KeyPaths<\/span>)<\/strong>. \u041a\u043e\u0440\u043e\u0447\u0435 \u0433\u043e\u0432\u043e\u0440\u044f, <span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span> &#8212; \u044d\u0442\u043e <strong>type<\/strong>-\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u043e\u0442\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u0441\u044b\u043b\u043a\u0443 \u043d\u0430 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u0442\u0438\u043f\u0430\u00a0\u043e\u0442 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0435\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u041c\u044b \u043c\u043e\u0433\u043b\u0438 \u0443\u0436\u0435 \u044d\u0442\u043e \u0434\u0435\u043b\u0430\u0442\u044c \u0432 <strong>\u00a0Swift 3<\/strong> \u0441 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438, \u043d\u043e \u0434\u043e \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u0435\u0440\u0441\u0438\u0438 <strong>Swift 4<\/strong> \u043c\u044b \u043d\u0435 \u043c\u043e\u0433\u043b\u0438 \u044d\u0442\u043e \u0434\u0435\u043b\u0430\u0442\u044c \u0441\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438, \u0435\u0441\u043b\u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0435 &#171;\u0437\u0430\u0432\u043e\u0440\u0430\u0447\u0438\u0432\u0430\u0442\u044c &#187; \u0438\u0445 \u0432 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 (<strong>closure<\/strong>) :<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8208 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM.png\" alt=\"\" width=\"1064\" height=\"950\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM.png 1064w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM-300x268.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM-768x686.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM-1024x914.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.45.20-PM-336x300.png 336w\" sizes=\"auto, (max-width: 1064px) 100vw, 1064px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0418\u043b\u0438 \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0442\u0430\u0440\u044b\u0439 \u043d\u0435\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u00a0<strong><span style=\"color: #0000ff;\">#keyPath()<\/span><\/strong>\u00a0\u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439, \u043f\u043e \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443, \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b <strong>Objective-C<\/strong> \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u044b\u0435\u00a0<span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span>\u00a0 \u0438\u00a0\u0433\u043e\u0434\u0438\u043b\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u043a\u043b\u0430\u0441\u0441\u043e\u0432:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.53.45-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8209 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.53.45-PM.png\" alt=\"\" width=\"980\" height=\"1438\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.53.45-PM.png 980w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.53.45-PM-204x300.png 204w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.53.45-PM-768x1127.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.53.45-PM-698x1024.png 698w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412<strong> Swift 3<\/strong> \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435<span style=\"color: #0000ff;\"><strong> KeyPaths<\/strong><\/span>\u00a0\u0431\u044b\u043b\u043e \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043e <span style=\"color: #0000ff;\"><strong>NSObject<\/strong><\/span>s, \u0440\u0435\u0430\u043b\u044c\u043d\u043e \u043e\u043d\u0438 \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u0441\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438.\u00a0\u0418\u043c\u0435\u043d\u043d\u043e \u044d\u0442\u043e \u0431\u044b\u043b\u043e \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u043c\u043e\u0442\u0438\u0432\u0430\u0446\u0438\u0435\u0439 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e <strong>API<\/strong>\u00a0\u0432 <strong>Swift 4<\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0438\u0437\u043b\u043e\u0436\u0435\u043d\u043e \u0432 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0438\u00a0<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0161-key-paths.md\">SE-0161<\/a><\/strong>\u00a0\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043f\u043e\u043a\u0430 \u043d\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043e \u0432 \u0432\u0435\u0440\u0441\u0438\u0438 <strong>Swift 4.0<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u043e \u0432 \u043b\u044e\u0431\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0442\u0435\u043f\u0435\u0440\u044c \u0432\u00a0<strong>Swift 4<\/strong> \u0435\u0441\u0442\u044c \u0441\u0432\u043e\u044f &#171;\u0440\u043e\u0434\u043d\u0430\u044f&#187; \u041c\u043e\u0434\u0435\u043b\u044c \u0434\u043b\u044f <strong>\u00a0<span style=\"color: #0000ff;\">KeyPaths<\/span> \u0438\u00a0<\/strong>\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0441\u044b\u043b\u0430\u0442\u044c\u0441\u044f \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <strong>\u00a0<span style=\"color: #0000ff;\">KeyPaths<\/span>\u00a0<\/strong>\u043d\u0430 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043b\u044e\u0431\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8199 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM.png\" alt=\"\" width=\"1234\" height=\"932\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM.png 1234w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM-300x227.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM-768x580.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM-1024x773.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-06-at-10.15.26-PM-397x300.png 397w\" sizes=\"auto, (max-width: 1234px) 100vw, 1234px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\"><span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span> \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u044e\u0442\u0441\u044f, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0442\u0438\u043f\u0430, \u0438 \u0437\u0430\u0442\u0435\u043c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u0434\u0442\u0438 \u0432\u043d\u0438\u0437 \u043f\u043e \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0438 \u0434\u043e \u043b\u044e\u0431\u043e\u0439 \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u0438 \u0438\u043c\u0435\u043d \u0441\u0432\u043e\u0439\u0441\u0442\u0432.\u00a0\u0412\u044b \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0435 <span style=\"color: #0000ff;\"><strong>KeyPath<\/strong><\/span>, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0441\u043b\u0435\u0448\u0430: <span style=\"color: #0000ff;\"><strong>\\Book.title<\/strong><\/span>. \u041a\u0430\u0436\u0434\u044b\u0439 \u0442\u0438\u043f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0441\u043d\u0430\u0431\u0436\u0430\u0435\u0442\u0441\u044f \u0441\u0430\u0431\u0441\u043a\u0440\u0438\u0442\u043e\u043c\u00a0<span style=\"color: #0000ff;\"><strong>[keyPath: \u2026]<\/strong><\/span> \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e <span style=\"color: #0000ff;\"><strong>keyPath<\/strong><\/span>.\u00a0<span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span> \u043c\u043e\u0433\u0443\u0442 \u043e\u043f\u0443\u0441\u043a\u0430\u0442\u044c\u0441\u044f \u0432\u043d\u0438\u0437 \u043f\u043e \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0438 \u0434\u043e \u043b\u044e\u0431\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f.\u00a0\u041e\u043d\u0438 \u0442\u0430\u043a\u0436\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u0438 \u0434\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u043c\u044b\u0445 (<strong>computed<\/strong>) \u0441\u0432\u043e\u0439\u0441\u0442\u0432, \u043a\u0430\u043a \u0432 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0434\u043b\u044f \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 <strong><span style=\"color: #0000ff;\">primaryAuthor<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f <span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span>\u00a0\u0442\u0430\u043a \u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0430\u0431\u0441\u043a\u0440\u0438\u043f\u0442\u044b\u00a0<strong>subscripts<\/strong>. \u0414\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0443\u0434\u043e\u0431\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438, \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u043c\u0438 \u0438\u043b\u0438 \u0441\u043b\u043e\u0432\u0430\u0440\u044f\u043c\u0438. \u042d\u0442\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u043a\u0430 \u0435\u0449\u0435 \u043d\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u00a0\u0432 <strong>Swift 4.0<\/strong>, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u043c\u044b \u0443\u0432\u0438\u0434\u0438\u043c \u0438\u0445 \u0432 \u0432\u0435\u0440\u0441\u0438\u0438 <strong>Swift 4.1<\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8213 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM.png\" alt=\"\" width=\"1148\" height=\"144\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM.png 1148w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM-300x38.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM-768x96.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM-1024x128.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.00.33-PM-500x63.png 500w\" sizes=\"auto, (max-width: 1148px) 100vw, 1148px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\"><span style=\"color: #0000ff;\"><strong>KeyPaths<\/strong><\/span> \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0436\u043d\u043e \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0438 \u0438\u043c\u0438 \u043c\u043e\u0436\u043d\u043e \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0441\u0435\u0433\u043c\u0435\u043d\u0442 \u043a <span style=\"color: #0000ff;\"><strong>KeyPath<\/strong><\/span>, \u0447\u0442\u043e\u0431\u044b \u0441\u043f\u0443\u0441\u0442\u0438\u0442\u044c\u0441\u044f \u0435\u0449\u0435 \u0434\u0430\u043b\u044c\u0448\u0435 \u043f\u043e \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0438.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8210 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM.png\" alt=\"\" width=\"1056\" height=\"178\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM.png 1056w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM-300x51.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM-768x129.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM-1024x173.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-3.59.38-PM-500x84.png 500w\" sizes=\"auto, (max-width: 1056px) 100vw, 1056px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u043e \u0441\u0430\u043c\u043e\u0435 \u0437\u0430\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e<strong>\u00a0KVO API<\/strong> \u0432 <span style=\"color: #0000ff;\"><strong>Foundation<\/strong><\/span> \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0434\u0435\u043b\u0430\u043d \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0432\u0441\u0435 \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u043d\u043e\u0432\u044b\u0445 <strong>type<\/strong>-\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0445 <strong><span style=\"color: #0000ff;\">KeyPaths<\/span>.<\/strong>\u00a0\u0414\u0430\u0432\u043d\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e, \u0447\u0442\u043e\u00a0<strong>KVO API<\/strong>\u00a0\u0431\u044b\u043b \u043e\u0434\u043d\u0438\u043c \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u0441\u043c\u0443\u0442\u043d\u044b\u0445 \u0438 \u043d\u0435\u043f\u043e\u043d\u044f\u0442\u043d\u044b\u0445 <strong>API<\/strong> \u0432\u00a0<strong>Cocoa<\/strong>. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u044d\u0442\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0441\u0442\u043e\u043b\u044c \u0434\u043e\u043b\u0433\u043e\u0436\u0434\u0430\u043d\u043d\u044b. \u041d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u043e\u043d\u0438 \u0441\u0442\u0430\u043b\u0438\u00a0type-\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0445, \u043d\u043e \u0438\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u043b\u0441\u044f \u044d\u0442\u043e\u0442 \u0430\u0434.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0422\u0435\u043f\u0435\u0440\u044c \u0432 <strong>Swift 4<\/strong> \u0432\u0441\u0435 \u0441\u0442\u0430\u043b\u043e \u043f\u0440\u043e\u0441\u0442\u043e:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8214 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM.png\" alt=\"\" width=\"1382\" height=\"826\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM.png 1382w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM-300x179.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM-768x459.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM-1024x612.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-08-at-6.06.44-PM-500x300.png 500w\" sizes=\"auto, (max-width: 1382px) 100vw, 1382px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0417\u0430\u043c\u0435\u0442\u044c\u0442\u0435, \u0447\u0442\u043e <strong>KVO<\/strong> \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 <strong>Objective-C<\/strong> runtime. \u041e\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0441 <strong>subclasses<\/strong>\u00a0<strong><span style=\"color: #0000ff;\">NSObject<\/span><\/strong>, \u0438 \u043b\u044e\u0431\u044b\u0435 \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0435\u043c\u044b\u0435 (<strong>observable<\/strong>) \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0434\u043e\u043b\u0436\u043d\u044b \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a <strong><span style=\"color: #0000ff;\">@objc dynamic<\/span><\/strong>, \u0438\u043b\u0438 \u0432\u0435\u0441\u044c \u043a\u043b\u0430\u0441\u0441 \u0434\u043e\u043b\u0436\u0435\u043d \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043d\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0439 \u0441\u043b\u043e\u0432\u0430\u00a0 <span style=\"color: #0000ff;\"><strong>@objcMembers<\/strong><\/span>. \u0412 \u0441\u0432\u044f\u0437\u0438 \u0441 \u044d\u0442\u0438\u043c \u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u044e \u0432\u0437\u0433\u043b\u044f\u043d\u0443\u0442\u044c \u043d\u0430 <a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0160-objc-inference.md#re-enabling-objc-inference-within-a-class-hierarchy\"><strong>\u044d\u0442\u043e \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435<\/strong><\/a><strong>.<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0418 \u043f\u0440\u0435\u043a\u0440\u0430\u0441\u043d\u043e\u0439 &#171;\u0432\u0438\u0448\u0435\u043d\u043a\u043e\u0439 \u043d\u0430 \u0442\u043e\u0440\u0442&#187; \u0432 \u043d\u043e\u0432\u043e\u043c\u00a0<strong>KVO API<\/strong>\u00a0\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u044f (<strong>observer<\/strong>) \u0432 \u043c\u0435\u0442\u043e\u0434\u0435 <strong><span style=\"color: #0000ff;\">deinit<\/span><\/strong>, \u0438 \u044f \u0437\u043d\u0430\u044e, \u0447\u0442\u043e \u044f &#8212; \u043d\u0435 \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u0430\u044f, \u043a\u0442\u043e \u0431\u044b\u043b \u043d\u0430\u043a\u0430\u0437\u0430\u043d \u0437\u0430 \u044d\u0442\u043e \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c. \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0441\u0430\u043c\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c &#171;\u0436\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u043c \u0446\u0438\u043a\u043b\u043e\u043c&#187; \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u044f <strong><span style=\"color: #0000ff;\">observation<\/span><\/strong>:<\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>observation.invalidate ()<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong> <a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Key paths&#187;.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0430 \u0442\u0435\u043c\u0443 <strong>KeyPaths <\/strong>\u044f \u043d\u0430\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u044e \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c<strong><a href=\"https:\/\/developer.apple.com\/videos\/play\/wwdc2017\/212\/\"> WWDC 2017 \u0432\u0438\u0434\u0435\u043e <\/a><\/strong>&#171;<strong>What&#8217;s new in Foundation<\/strong>&#171;, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u0442\u0430\u0442\u044c\u0438:<\/span><\/p>\n<h1 class=\"title\"><a href=\"http:\/\/skyefreeman.io\/programming\/2017\/06\/28\/kvo-in-ios11.html\">Key Value Observation in iOS 11<\/a><\/h1>\n<h1 class=\"page__title\"><a href=\"https:\/\/www.klundberg.com\/blog\/swift-4-keypaths-and-you\/\">Swift 4 KeyPaths and You<\/a><\/h1>\n<h1 id=\"8a0e\" class=\"graf graf--h3 graf--leading graf--title\"><a href=\"https:\/\/blog.mindorks.com\/whats-new-in-swift-4-4c78766efa6e\">What\u2019s new in Swift\u00a04<\/a><\/h1>\n<p><strong><a href=\"https:\/\/speakerdeck.com\/elmkretzer\/a-swift-4-keypath-journey\">A Swift 4 KeyPath journey<\/a><\/strong><\/p>\n<h1 id=\"uluchsheniya-v-dictionary-i-set\">\u0423\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0432\u00a0<span style=\"color: #0000ff;\">Dictionary<\/span> \u0438 <span style=\"color: #0000ff;\">Set<\/span>.<\/h1>\n<p><span style=\"font-weight: 400;\">\u0412 Swift 4 \u0441\u043b\u043e\u0432\u0430\u0440\u0438 <strong><span style=\"color: #0000ff;\">Dictionaries<\/span><\/strong> \u0438 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 <strong><span style=\"color: #0000ff;\">Sets<\/span><\/strong>\u00a0\u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0440\u044f\u0434 \u043d\u043e\u0432\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u043d\u0435\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043b\u0435\u0433\u0447\u0435, \u0447\u0435\u043c \u043f\u0440\u0435\u0436\u0434\u0435. \u0422\u0430\u043a\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043a\u0430\u043a \u0433\u0440\u0443\u043f\u043f\u0438\u0440\u043e\u0432\u043a\u0430, \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u044f \u0438 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 <strong><span style=\"color: #0000ff;\">values<\/span><\/strong>\u00a0\u043c\u043e\u0433\u0443\u0442 \u0442\u0435\u043f\u0435\u0440\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u0437\u0430 \u043e\u0434\u0438\u043d \u0448\u0430\u0433, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044f \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0440\u0430\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u043a\u043e\u0434.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041c\u044b \u0431\u0443\u0434\u0435\u043c \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u0438 \u043d\u043e\u0432\u044b\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430\u0445 \u0432 \u0441\u0443\u043f\u0435\u0440\u043c\u0430\u0440\u043a\u0435\u0442\u0435. \u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 <strong><span style=\"color: #0000ff;\">GroceryItem<\/span><\/strong> \u0438\u043c\u0435\u0435\u0442 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u0438\u043c\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 <strong><span style=\"color: #0000ff;\">name<\/span><\/strong> \u00a0\u0438 \u043e\u0442\u0434\u0435\u043b <strong><span style=\"color: #0000ff;\">department<\/span><\/strong>, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043e\u043d \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8216 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM.png\" alt=\"\" width=\"1170\" height=\"1118\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM.png 1170w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM-300x287.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM-768x734.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM-1024x978.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-5.44.23-PM-314x300.png 314w\" sizes=\"auto, (max-width: 1170px) 100vw, 1170px\" \/><\/a><\/p>\n<h1>\u0413\u0440\u0443\u043f\u043f\u0438\u0440\u043e\u0432\u043a\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 <span style=\"color: #0000ff;\">values<\/span> \u043f\u043e \u043a\u043b\u044e\u0447\u0443<\/h1>\n<p><span style=\"font-weight: 400;\">\u041d\u043e\u0432\u044b\u0439 \u0433\u0440\u0443\u043f\u043f\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0430\u043c \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u043b\u043e\u0432\u0430\u0440\u044c <strong><span style=\"color: #0000ff;\">Dictionary<\/span><\/strong> \u0438\u0437 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 <strong><span style=\"color: #0000ff;\">values<\/span><\/strong>, \u0441\u0433\u0440\u0443\u043f\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u043e \u043a\u043b\u044e\u0447\u0430\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u044e\u0442\u0441\u044f \u0438\u0437 \u0441\u0430\u043c\u0438\u0445 \u044d\u0442\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 <strong><span style=\"color: #0000ff;\">values<\/span><\/strong>. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0441\u0442\u0440\u043e\u0438\u043c \u0441\u043b\u043e\u0432\u0430\u0440\u044c \u0434\u043b\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432, \u0441\u0433\u0440\u0443\u043f\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u043e \u043e\u0442\u0434\u0435\u043b\u0430\u043c \u0441\u0443\u043f\u0435\u0440\u043c\u0430\u0440\u043a\u0435\u0442\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043e\u043d\u0438 \u043d\u0430\u0445\u043e\u0434\u044f\u0442\u0441\u044f, \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u043d\u043e\u0432\u044b\u0439 \u00a0\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430\u0440\u044f:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8219 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM.png\" alt=\"\" width=\"1174\" height=\"228\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM.png 1174w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM-300x58.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM-768x149.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM-1024x199.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.49.58-PM-500x97.png 500w\" sizes=\"auto, (max-width: 1174px) 100vw, 1174px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8218 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM.png\" alt=\"\" width=\"1056\" height=\"396\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM.png 1056w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM-300x113.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM-768x288.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM-1024x384.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-6.48.56-PM-500x188.png 500w\" sizes=\"auto, (max-width: 1056px) 100vw, 1056px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0438\u043b\u0438 \u0441\u043b\u043e\u0432\u0430\u0440\u044c \u0434\u043b\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432, \u0441\u0433\u0440\u0443\u043f\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u043e \u043f\u0435\u0440\u0432\u043e\u0439 \u0431\u0443\u043a\u0432\u0435 \u0432 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8221 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM.png\" alt=\"\" width=\"1054\" height=\"220\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM.png 1054w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM-300x63.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM-768x160.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM-1024x214.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.37.43-PM-500x104.png 500w\" sizes=\"auto, (max-width: 1054px) 100vw, 1054px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8223 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM.png\" alt=\"\" width=\"1664\" height=\"666\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM.png 1664w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM-300x120.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM-768x307.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM-1024x410.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-09-at-7.40.09-PM-500x200.png 500w\" sizes=\"auto, (max-width: 1664px) 100vw, 1664px\" \/><\/a><\/p>\n<h1>\u041f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439<span style=\"color: #0000ff;\"> values<\/span> \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435 <span style=\"color: #0000ff;\">Dictionary<\/span><\/h1>\n<p><span style=\"font-weight: 400;\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u044b\u0432\u0430\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f <strong><span style=\"color: #0000ff;\">values<\/span><\/strong> \u0441\u043b\u043e\u0432\u0430\u0440\u044f <strong><span style=\"color: #0000ff;\">Dictionary<\/span><\/strong>, \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044f \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0442\u0435 \u0436\u0435 \u0441\u0430\u043c\u044b\u0435 \u043a\u043b\u044e\u0447\u0438 <strong><span style=\"color: #0000ff;\">keys<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">,<\/span><\/span><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u00a0\u0435\u0441\u043b\u0438 \u0431\u0443\u0434\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434\u00a0<strong><span style=\"color: #0000ff;\">mapValues(_:)<\/span><\/strong><\/span><\/span>. \u042d\u0442\u043e\u0442 \u043a\u043e\u0434 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u0443\u0435\u0442 \u043c\u0430\u0441\u0441\u0438\u0432 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432, \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0438\u0445\u0441\u044f \u0432 \u043e\u0442\u0434\u0435\u043b\u0435 \u0441\u0443\u043f\u0435\u0440\u043c\u0430\u0440\u043a\u0435\u0442\u0430, \u0432 \u0438\u0445 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e, \u0438, \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0441\u043f\u0440\u0430\u0432\u043e\u0447\u043d\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0443\u044e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u043e\u0442\u0434\u0435\u043b\u0435:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.42.31-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8228 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.42.31-AM.png\" alt=\"\" width=\"1024\" height=\"234\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.42.31-AM.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.42.31-AM-300x69.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.42.31-AM-768x176.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.42.31-AM-500x114.png 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0418\u043b\u0438 \u0441\u043f\u0440\u0430\u0432\u043e\u0447\u043d\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0443\u044e \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u043f\u043e \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f\u043c, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0437\u0430\u0433\u043b\u0430\u0432\u043d\u044b\u043c\u0438 \u0431\u0443\u043a\u0432\u0430\u043c\u0438, \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u043e\u0442\u0434\u0435\u043b\u0435:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.41.31-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8227 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.41.31-AM.png\" alt=\"\" width=\"1012\" height=\"296\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.41.31-AM.png 1012w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.41.31-AM-300x88.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.41.31-AM-768x225.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-9.41.31-AM-500x146.png 500w\" sizes=\"auto, (max-width: 1012px) 100vw, 1012px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0418\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0441\u043b\u043e\u0432\u0430\u0440\u044c \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442 \u0442\u0435 \u0436\u0435 \u0441\u0430\u043c\u044b\u0435 \u043a\u043b\u044e\u0447\u0438 <strong><span style=\"color: #0000ff;\">keys<\/span><\/strong>, \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043b\u044f \u0434\u0440\u0443\u0433\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 <span style=\"color: #0000ff;\"><strong>values<\/strong><\/span>, \u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0442\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0435 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0435 \u0432\u0437\u0430\u0438\u043c\u043e\u0440\u0430\u0441\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 (<strong>internal layout<\/strong>), \u0447\u0442\u043e \u0438 \u0443 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0440\u044f \u0438 \u043d\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043f\u0435\u0440\u0435\u0440\u0430\u0441\u0447\u0435\u0442\u0435 <strong>hash values<\/strong>. \u042d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u0432\u044b\u0437\u043e\u0432 <strong>mapValues(_:)<\/strong>\u00a0\u0431\u043e\u043b\u0435\u0435 \u0431\u044b\u0441\u0442\u0440\u044b\u043c, \u0447\u0435\u043c \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0441\u043b\u043e\u0432\u0430\u0440\u044f &#171;\u0441 \u043d\u0443\u043b\u044f&#187;.<\/span><\/p>\n<h1>\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0441\u043b\u043e\u0432\u0430\u0440\u044f <span style=\"color: #0000ff;\">Dictionary<\/span> \u0438\u0437 \u043f\u0430\u0440\u00a0<span style=\"color: #0000ff;\"><strong>key- value<\/strong><\/span><\/h1>\n<p><span style=\"font-weight: 400;\">\u0422\u0435\u043f\u0435\u0440\u044c \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u043b\u043e\u0432\u0430\u0440\u0438 <strong><span style=\"color: #0000ff;\">Dictionaries<\/span><\/strong> \u0438\u0437 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0435\u0439 (<strong>sequences<\/strong>) \u043f\u0430\u0440<strong><span style=\"color: #0000ff;\"> key-value<\/span><\/strong>, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0434\u0432\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u0430: \u043e\u0434\u0438\u043d &#8212; \u0434\u043b\u044f \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u043a\u043b\u044e\u0447\u0435\u0439 <strong><span style=\"color: #0000ff;\">keys<\/span><\/strong>, \u0434\u0440\u0443\u0433\u043e\u0439 &#8212; \u043a\u043e\u0433\u0434\u0430 \u043a\u043b\u044e\u0447\u0438 <strong><span style=\"color: #0000ff;\">keys<\/span><\/strong> \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0442\u0441\u044f.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0415\u0441\u043b\u0438 \u0432\u044b \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0435 \u0441 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043a\u043b\u044e\u0447\u0435\u0439 <strong><span style=\"color: #0000ff;\">keys<\/span><\/strong>\u00a0\u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 <strong><span style=\"color: #0000ff;\">values<\/span><\/strong>, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0432 \u0435\u0434\u0438\u043d\u0443\u044e \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0430\u0440 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u0438 <strong><span style=\"color: #0000ff;\">zip(_: _&#187;:)<\/span><\/strong>. \u00a0\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u0434 \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a\u043e\u0440\u0442\u0435\u0436\u0435\u0439 \u0441 \u0438\u043c\u0435\u043d\u0430\u043c\u0438 <strong><span style=\"color: #0000ff;\">name<\/span><\/strong> \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u0438 \u0441\u0430\u043c\u0438\u043c\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430\u043c\u0438:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8230 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM.png\" alt=\"\" width=\"1056\" height=\"78\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM.png 1056w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM-300x22.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM-768x57.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM-1024x76.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-12.56.01-PM-500x37.png 500w\" sizes=\"auto, (max-width: 1056px) 100vw, 1056px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u0430\u0436\u0434\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 <strong>zippedNames<\/strong> \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u0440\u0442\u0435\u0436\u0435\u043c <strong><span style=\"color: #0000ff;\">(String, GroceryItem)<\/span><\/strong>. \u041f\u0435\u0440\u0432\u044b\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u043c \u044d\u0442\u043e\u0433\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f\u00a0\u00a0<strong><span style=\"color: #0000ff;\">( &#171;Apple&#187;,<code class=\"highlighter-rouge\">?<\/code> )<\/span><\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8231 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM.png\" alt=\"\" width=\"1212\" height=\"758\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM.png 1212w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM-300x188.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM-768x480.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM-1024x640.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.03.15-PM-480x300.png 480w\" sizes=\"auto, (max-width: 1212px) 100vw, 1212px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0422\u0430\u043a \u043a\u0430\u043a \u043a\u0430\u0436\u0434\u044b\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442 \u0438\u043c\u0435\u0435\u0442 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0435 \u0438\u043c\u044f, \u0442\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u0434 \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u0441\u0442 \u0441\u043b\u043e\u0432\u0430\u0440\u044c, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u043c\u0435\u043d\u0430 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043a\u043b\u044e\u0447\u0435\u0439, \u0430 \u0441\u0430\u043c\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u044b \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8232 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.10.04-PM.png\" alt=\"\" width=\"1098\" height=\"630\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.10.04-PM.png 1098w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.10.04-PM-300x172.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.10.04-PM-768x441.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.10.04-PM-1024x588.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.10.04-PM-500x287.png 500w\" sizes=\"auto, (max-width: 1098px) 100vw, 1098px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 <strong><span style=\"color: #0000ff;\">Dictionary(uniqueKeysAndValues:)<\/span><\/strong> \u0442\u043e\u043b\u044c\u043a\u043e, \u0435\u0441\u043b\u0438 \u0432\u044b \u0443\u0432\u0435\u0440\u0435\u043d\u044b, \u0447\u0442\u043e \u0432\u0430\u0448\u0438 \u0434\u0430\u043d\u043d\u044b\u043d \u0438\u043c\u0435\u044e\u0442 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u043a\u043b\u044e\u0447\u0438\u00a0<strong><span style=\"color: #0000ff;\">keys<\/span><\/strong>. \u041b\u044e\u0431\u044b\u0435 \u0434\u0443\u0431\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043a\u043b\u044e\u0447\u0438 <strong><span style=\"color: #0000ff;\">keys<\/span>\u00a0<\/strong>\u0432 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0432\u0435\u0434\u0443\u0442 \u043a \u043e\u0448\u0438\u0431\u043a\u0435 \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 <strong>runtime<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0415\u0441\u043b\u0438 \u0432\u0430\u0448\u0438 \u0434\u0430\u043d\u043d\u044b\u0435 \u0438\u043c\u0435\u044e\u0442 (\u0438\u043b\u0438 \u043c\u043e\u0433\u0443\u0442 \u0438\u043c\u0435\u0442\u044c) \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0435 \u043a\u043b\u044e\u0447\u0438 keys, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u043d\u043e\u0432\u044b\u0439 &#171;\u0441\u043b\u0438\u0432\u0430\u044e\u0449\u0438\u0439&#187; \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 <span style=\"color: #0000ff;\"><strong>Dictionary(_:uniquingKeysWith:)<\/strong><\/span>. \u042d\u0442\u043e\u0442 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 \u0431\u0435\u0440\u0435\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0430\u0440<span style=\"color: #0000ff;\"><strong> key-value<\/strong><\/span> \u043d\u0430\u0440\u044f\u0434\u0443 \u0441 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435\u043c , \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f, \u043a\u043e\u0433\u0434\u0430 \u043a\u043b\u044e\u0447 <strong><span style=\"color: #0000ff;\">key<\/span><\/strong> \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u0435\u0442\u0441\u044f. &#171;\u0423\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0435&#187; \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 \u0431\u0435\u0440\u0435\u0442 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u043c \u043f\u0435\u0440\u0432\u043e\u0435 \u0438 \u0432\u0442\u043e\u0440\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0433\u043e \u0438 \u0442\u043e\u0433\u043e \u0436\u0435 \u043a\u043b\u044e\u0447\u0430 <strong><span style=\"color: #0000ff;\">key<\/span><\/strong>, \u00a0\u0438 \u043c\u043e\u0436\u0435\u0442 \u0432\u0435\u0440\u043d\u0443\u0442\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u043d\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u043b\u044e\u0431\u0443\u044e \u0438\u0445 \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044e \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0432\u0430\u0448\u0435\u0433\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u044f.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u0434 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u0443\u0435\u0442 \u043c\u0430\u0441\u0441\u0438\u0432 \u043a\u043e\u0440\u0442\u0435\u0436\u0435\u0439 <strong><span style=\"color: #0000ff;\">(String, String)<\/span> <\/strong>\u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u044c \u0441 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 <span style=\"color: #0000ff;\"><strong>Dictionary(_:uniquingKeysWith:)<\/strong>.<\/span>\u00a0\u0417\u0430\u043c\u0435\u0442\u044c\u0442\u0435, \u0447\u0442\u043e <strong>&#171;dog&#187;<\/strong> \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043b\u044e\u0447\u043e\u043c<strong><span style=\"color: #0000ff;\">\u00a0key<\/span> <\/strong>\u0432 \u0434\u0432\u0443\u0445 \u043f\u0430\u0440\u0430\u0445 <strong><span style=\"color: #0000ff;\">key-value<\/span><\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8234 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM.png\" alt=\"\" width=\"1230\" height=\"242\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM.png 1230w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM-300x59.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM-768x151.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM-1024x201.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-1.35.25-PM-500x98.png 500w\" sizes=\"auto, (max-width: 1230px) 100vw, 1230px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0433\u0434\u0430 \u043f\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u0442\u043e\u0440\u0430\u044f \u043f\u0430\u0440\u0430 key-value \u0441 \u043a\u043b\u044e\u0447\u043e\u043c \u00a0<strong>&#171;dog&#187;<\/strong>, \u0442\u043e \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f &#171;\u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0435&#187; \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 \u0441\u043e \u0441\u0442\u0430\u0440\u044b\u043c <strong><span style=\"color: #0000ff;\">old<\/span><\/strong> \u0438 \u043d\u043e\u0432\u044b\u043c <strong><span style=\"color: #0000ff;\">new<\/span><\/strong> \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438 <strong><span style=\"color: #0000ff;\">values<\/span><\/strong> (<code class=\"highlighter-rouge\">\"?\"<\/code>\u00a0\u0438\u00a0<code class=\"highlighter-rouge\">\"?\"<\/code>). \u0418\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0432\u0442\u043e\u0440\u043e\u0439 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442, \u0442\u043e <code class=\"highlighter-rouge\">\"?\"<\/code>\u00a0 \u0431\u0443\u0434\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c \u00a0<strong><span style=\"color: #0000ff;\">value<\/span><\/strong> \u0434\u043b\u044f \u043a\u043b\u044e\u0447\u0430 <strong>&#171;dog&#187;<\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8235 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM.png\" alt=\"\" width=\"1214\" height=\"510\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM.png 1214w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM-300x126.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM-768x323.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM-1024x430.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-10-at-2.43.48-PM-500x210.png 500w\" sizes=\"auto, (max-width: 1214px) 100vw, 1214px\" \/><\/a><\/p>\n<h1>\u0412\u044b\u0431\u043e\u0440 \u043d\u0443\u0436\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 <span style=\"color: #0000ff;\">Dictionary<\/span><\/h1>\n<p><span style=\"font-weight: 400;\">\u0421\u043b\u043e\u0432\u0430\u0440\u0438 <span style=\"color: #0000ff;\"><strong>Dictionaries<\/strong><\/span> \u0442\u0435\u043f\u0435\u0440\u044c \u0438\u043c\u0435\u044e\u0442 \u043c\u0435\u0442\u043e\u0434<strong><span style=\"color: #0000ff;\"> filter(_:)<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0441\u043b\u043e\u0432\u0430\u0440\u044c, \u0430 \u043d\u0435 \u043c\u0430\u0441\u0441\u0438\u0432 \u043f\u0430\u0440\u00a0<strong><span style=\"color: #0000ff;\">key-value,<\/span><\/strong> \u043a\u0430\u043a \u044d\u0442\u043e \u0431\u044b\u043b\u043e \u0432 \u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u043d\u043d\u0438\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 <strong>Swift<\/strong>. \u041c\u0435\u0442\u043e\u0434\u0443 <strong><span style=\"color: #0000ff;\">filter(_:)<\/span>\u00a0<\/strong>\u043f\u0435\u0440\u0435\u0434\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0431\u0435\u0440\u0435\u0442 <strong><span style=\"color: #0000ff;\">key-value<\/span><\/strong> \u043f\u0430\u0440\u0443 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0435\u0433\u043e \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 <strong><span style=\"color: #0000ff;\">true<\/span><\/strong>, \u0435\u0441\u043b\u0438 \u044d\u0442\u0430 <strong><span style=\"color: #0000ff;\">key-value<\/span>\u00a0<\/strong>\u043f\u0430\u0440\u0430 \u0434\u043e\u043b\u0436\u043d\u0430 \u0432\u043e\u0439\u0442\u0438 \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0441\u043b\u043e\u0432\u0430\u0440\u044c <strong><span style=\"color: #0000ff;\">Dictionary<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u042d\u0442\u043e\u0442 \u043a\u043e\u0434 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u044e<strong><span style=\"color: #0000ff;\"> \u00a0isFirstLetter (_:in:)<\/span><\/strong>\u00a0\u00a0\u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e<strong><span style=\"color: #0000ff;\">\u00a0<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430<\/span><\/span> <strong><span style=\"color: #0000ff;\">item<\/span><\/strong>, \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0441\u043b\u043e\u0432\u0430\u0440\u044f, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u043c\u0435\u044e\u0442 \u0438\u043c\u0435\u043d\u0430, \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0441 \u0431\u0443\u043a\u0432\u044b &#171;B&#187;:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8239 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM.png\" alt=\"\" width=\"1072\" height=\"464\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM.png 1072w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM-300x130.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM-768x332.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM-1024x443.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-10.50.32-AM-500x216.png 500w\" sizes=\"auto, (max-width: 1072px) 100vw, 1072px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u0434 \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u0435 \u043e\u0442\u0434\u0435\u043b\u044b, \u0443 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0440\u0430\u0437\u043d\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u0435\u0442 <strong>2<\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8241 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM.png\" alt=\"\" width=\"1090\" height=\"256\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM.png 1090w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM-300x70.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM-768x180.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM-1024x240.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-1.58.36-PM-500x117.png 500w\" sizes=\"auto, (max-width: 1090px) 100vw, 1090px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412<strong><span style=\"color: #0000ff;\"> filter(_:)<\/span><\/strong> \u043c\u043e\u0436\u043d\u043e \u0438\u0433\u0440\u0430\u0442\u044c \u0441 \u043a\u043b\u044e\u0447\u0430\u043c\u0438.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u0435 \u043a\u043b\u044e\u0447\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0442\u0441\u044f \u0441 \u0431\u0443\u043a\u0432\u044b &#171;S&#187;:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8243 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM.png\" alt=\"\" width=\"1100\" height=\"268\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM.png 1100w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM-300x73.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM-768x187.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM-1024x249.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.24.03-PM-500x122.png 500w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412\u044b\u0431\u0438\u0440\u0430\u0435\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0435\u0442\u043d\u044b\u0435 \u043a\u043b\u044e\u0447\u0438:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.26.46-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8244 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.26.46-PM.png\" alt=\"\" width=\"1002\" height=\"486\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.26.46-PM.png 1002w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.26.46-PM-300x146.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.26.46-PM-768x373.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-11-at-6.26.46-PM-500x243.png 500w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Subscript\u00a0\u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Subscripts<\/strong> \u0434\u043b\u044f \u0441\u043b\u043e\u0432\u0430\u0440\u044f <strong><span style=\"color: #0000ff;\">Dictionary<\/span><\/strong> \u0432 <strong>Swift 3 <\/strong>\u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u043b \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">value<\/span><\/strong>, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u043c\u0443 \u043a\u043b\u044e\u0447\u0443 <strong><span style=\"color: #0000ff;\">key<\/span><\/strong> \u043a\u0430\u043a <strong><span style=\"color: #0000ff;\">Optional<\/span><\/strong>, \u0442\u0430\u043a \u0447\u0442\u043e \u043e\u0431\u044b\u0447\u043d\u043e \u0432\u0430\u043c \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 <strong><span style=\"color: #0000ff;\">??<\/span><\/strong> \u0434\u043b\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u043d\u0435\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043a\u043b\u044e\u0447\u0435\u0439\u00a0:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8250 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM.png\" alt=\"\" width=\"1232\" height=\"170\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM.png 1232w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM-300x41.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM-768x106.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM-1024x141.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-9.57.17-AM-500x69.png 500w\" sizes=\"auto, (max-width: 1232px) 100vw, 1232px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0417\u0430\u043f\u0440\u043e\u0448\u0435\u043d\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0433\u043e\u0434\u0430 &#171;Winter&#187; \u043d\u0435 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435 <strong><span style=\"color: #0000ff;\">seasons<\/span><\/strong>, \u0442\u0430\u043a \u0447\u0442\u043e \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0435 \u0434\u043b\u044f \u043d\u0435\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u044b <strong><span style=\"color: #0000ff;\">0<\/span><\/strong>, \u043a\u0430\u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 <strong>Swift 4<\/strong> \u0443 \u0441\u043b\u043e\u0432\u0430\u0440\u0435\u0439 <strong><span style=\"color: #0000ff;\">Dictionaries<\/span><\/strong> \u0442\u0435\u043f\u0435\u0440\u044c \u0435\u0441\u0442\u044c \u0432\u0442\u043e\u0440\u043e\u0439 \u043d\u043e\u0432\u044b\u0439\u00a0<strong>subscript <\/strong>\u00a0\u0434\u043b\u044f \u043a\u043b\u044e\u0447\u0435\u0439 <span style=\"color: #0000ff;\"><strong>keys<\/strong><\/span>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435 \u043a\u043b\u044e\u0447\u0435\u0439 <strong><span style=\"color: #0000ff;\">keys<\/span><\/strong>. \u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u044d\u0442\u043e\u043c\u0443 \u043d\u043e\u0432\u043e\u043c\u0443 <strong>subscript\u00a0<\/strong>\u0442\u0435\u043f\u0435\u0440\u044c \u043d\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 <strong><span style=\"color: #0000ff;\">??<\/span><\/strong>\u00a0\u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u041d\u0415 <strong><span style=\"color: #0000ff;\">Optional<\/span> <\/strong>\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8252 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM.png\" alt=\"\" width=\"1360\" height=\"126\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM.png 1360w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM-300x28.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM-768x71.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM-1024x95.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-10.10.35-AM-500x46.png 500w\" sizes=\"auto, (max-width: 1360px) 100vw, 1360px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u042d\u0442\u043e \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u043f\u043e\u043b\u0435\u0437\u043d\u043e, \u0435\u0441\u043b\u0438 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u043d\u0430\u043a\u0430\u043f\u043b\u0438\u0432\u0430\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <span style=\"color: #0000ff;\"><strong>value<\/strong><\/span> \u0447\u0435\u0440\u0435\u0437 <strong>subscript<\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8253 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM.png\" alt=\"\" width=\"1076\" height=\"568\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM.png 1076w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM-300x158.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM-768x405.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM-1024x541.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-13-at-11.49.30-AM-500x264.png 500w\" sizes=\"auto, (max-width: 1076px) 100vw, 1076px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0412\u043d\u0430\u0447\u0430\u043b\u0435 \u043c\u044b \u0438\u043c\u0435\u0435\u043c \u043f\u0443\u0441\u0442\u043e\u0439 \u0441\u043b\u043e\u0432\u0430\u0440\u044c <span style=\"color: #0000ff;\"><strong>frequencies<\/strong><\/span>. \u0414\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0441\u0438\u043c\u0432\u043e\u043b\u0430 <strong><span style=\"color: #0000ff;\">\u0441<\/span> <\/strong>\u0432 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 <strong><span style=\"color: #0000ff;\">source<\/span><\/strong> \u043c\u044b \u0438\u0449\u0435\u043c \u0441\u0438\u043c\u0432\u043e\u043b <strong><span style=\"color: #0000ff;\">\u0441<\/span> <\/strong>\u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043a\u043b\u044e\u0447\u0430 \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435<strong>\u00a0<span style=\"color: #0000ff;\">frequencies<\/span><\/strong>, \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043a\u043b\u044e\u0447\u0430, \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0432\u0430\u0435\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u0430 \u0435\u0434\u0438\u043d\u0438\u0446\u0443 \u0438 \u00a0\u0437\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u043c \u043d\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435 <span style=\"color: #0000ff;\"><strong>frequencies<\/strong><\/span>\u00a0\u0441 \u043a\u043b\u044e\u0447\u043e\u043c <span style=\"color: #0000ff;\"><strong>\u0441<\/strong><\/span>.<strong>\u00a0<\/strong>\u0415\u0441\u0442\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u0435\u0441\u043b\u0438 \u043c\u044b \u0432\u043f\u0435\u0440\u0432\u044b\u0435 \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u0435\u043c \u0441\u0438\u043c\u0432\u043e\u043b\u00a0<span style=\"color: #0000ff;\"><strong>\u0441 <\/strong><\/span>\u0432\u00a0\u0441\u0442\u0440\u043e\u043a\u0435<strong><span style=\"color: #0000ff;\"> source<\/span><\/strong>, \u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0440\u0430\u0432\u043d\u043e\u0435 0, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c 1 \u0438 \u0437\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u043c \u0432\u043d\u043e\u0432\u044c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u0443\u044e \u043f\u0430\u0440\u0443<strong><span style=\"color: #0000ff;\">\u00a0{\u0441 :1}<\/span>\u00a0<\/strong>\u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435\u00a0<span style=\"color: #0000ff;\"><strong>frequencies<\/strong><\/span>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>\u0421\u043b\u0438\u0432\u0430\u0435\u043c \u0434\u0432\u0430 \u0441\u043b\u043e\u0432\u0430\u0440\u044f <span style=\"color: #0000ff;\">Dictionaries<\/span> \u0432 \u043e\u0434\u0438\u043d<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a \u0431\u043e\u043b\u0435\u0435 \u043b\u0435\u0433\u043a\u043e\u043c\u0443 \u0441\u043f\u043e\u0441\u043e\u0431\u0443 \u0438\u043d\u043a\u0440\u0435\u043c\u0435\u043d\u0442\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435 Dictionary, \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 &#171;\u043e\u043f\u0442\u043e\u043c&#187;, \u043a\u043e\u0433\u0434\u0430 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430\u0440\u044f \u0446\u0435\u043b\u0438\u043a\u043e\u043c \u0432 \u0434\u0440\u0443\u0433\u043e\u0439:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-7.33.55-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8255 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-7.33.55-AM.png\" alt=\"\" width=\"794\" height=\"256\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-7.33.55-AM.png 794w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-7.33.55-AM-300x97.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-7.33.55-AM-768x248.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-7.33.55-AM-500x161.png 500w\" sizes=\"auto, (max-width: 794px) 100vw, 794px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041f\u0435\u0440\u0435\u0434 \u0432\u0430\u043c\u0438 \u0434\u0432\u0430 \u0441\u043b\u043e\u0432\u0430\u0440\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0442\u0440\u0430\u0436\u0430\u044e\u0442 \u043d\u0430\u0431\u043e\u0440 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u0432 \u0434\u0432\u0443\u0445 \u0442\u0435\u043b\u0435\u0436\u043a\u0430\u0445 <strong><span style=\"color: #0000ff;\">cart \u00a0<\/span><\/strong>\u0438 <span style=\"color: #0000ff;\"><strong>otherCart<\/strong><\/span>.\u00a0\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0437\u043c\u0435\u043d\u044f\u044e\u0449\u0438\u0439 (<strong>mutating<\/strong>) \u043c\u0435\u0442\u043e\u0434 \u00a0<strong><span style=\"color: #0000ff;\">merge(_:uniquingKeysWith:)<\/span><\/strong> \u0434\u043b\u044f \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432, \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0438\u0445\u0441\u044f \u0432 \u0434\u0432\u0443\u0445 \u0442\u0435\u043b\u0435\u0436\u043a\u0430\u0445 \u0432 \u043e\u0434\u043d\u0443. &#171;\u0423\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0435&#187; \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 <span style=\"color: #0000ff;\"><strong>unuquingKeysWith<\/strong><\/span>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442\u0441\u044f \u044d\u0442\u043e\u043c\u0443 \u043c\u0435\u0442\u043e\u0434\u0443, \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0442\u043e\u0447\u043d\u043e \u0442\u0430\u043a\u0436\u0435, \u043a\u0430\u043a \u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440 <strong><span style=\"color: #0000ff;\">Dictionary(_:uniquingKeysWith:)<\/span><\/strong>\u00a0: \u043e\u043d \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0442\u043e\u0433\u0434\u0430, \u043a\u043e\u0433\u0434\u0430 \u043f\u043e\u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0434\u0432\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f <strong><span style=\"color: #0000ff;\">values<\/span><\/strong> \u0441 \u043e\u0434\u043d\u0438\u043c \u0438 \u0442\u0435\u043c \u0436\u0435 \u043a\u043b\u044e\u0447\u043e\u043c <strong><span style=\"color: #0000ff;\">key<\/span><\/strong>; \u0432 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">value<\/span><\/strong> \u0438\u043b\u0438 \u0434\u0440\u0443\u0433\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">value<\/span><\/strong> \u0438\u043b\u0438 \u0438\u0445 \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044f.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8257 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM.png\" alt=\"\" width=\"1056\" height=\"278\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM.png 1056w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM-300x79.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM-768x202.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM-1024x270.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.10.07-PM-500x132.png 500w\" sizes=\"auto, (max-width: 1056px) 100vw, 1056px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430\u0440\u044f \u0441 &#171;\u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u043d\u044b\u043c&#187; \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u044b\u043c \u0432\u043c\u0435\u0441\u0442\u043e &#171;\u0441\u043b\u0438\u044f\u043d\u0438\u044f&#187; &#171;\u043f\u043e \u043c\u0435\u0441\u0442\u0443&#187;, \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c &#171;\u043d\u0435\u0438\u0437\u043c\u0435\u043d\u044f\u044e\u0449\u0438\u0439&#187; \u043c\u0435\u0442\u043e\u0434 <span style=\"color: #0000ff;\"><strong>merging(_:uniquingKeysWith:)<\/strong><\/span>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8258 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM.png\" alt=\"\" width=\"1062\" height=\"676\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM.png 1062w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM-300x191.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM-768x489.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM-1024x652.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-2.42.52-PM-471x300.png 471w\" sizes=\"auto, (max-width: 1062px) 100vw, 1062px\" \/><\/a><\/p>\n<h1>\u0424\u0438\u043b\u044c\u0442\u0440 <strong><span style=\"color: #0000ff;\">filte<\/span><\/strong>r \u0434\u043b\u044f <strong><span style=\"color: #0000ff;\">Set<\/span><\/strong> \u00a0\u0442\u0430\u043a\u0436\u0435 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0442\u0435\u043f\u0435\u0440\u044c <strong><span style=\"color: #0000ff;\">Set<\/span><\/strong>, \u0430 \u043d\u0435 <strong><span style=\"color: #0000ff;\">Array<\/span><\/strong>.<\/h1>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8260 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM.png\" alt=\"\" width=\"1042\" height=\"700\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM.png 1042w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM-300x202.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM-768x516.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM-1024x688.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-14-at-4.25.09-PM-447x300.png 447w\" sizes=\"auto, (max-width: 1042px) 100vw, 1042px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Dictionary and Set enhancements&#187;.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043d\u0430\u0439\u0442\u0438 \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e\u0431 \u044d\u0442\u0438\u0445 \u043d\u043e\u0432\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u0445 \u0432 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 <a href=\"https:\/\/developer.apple.com\/documentation\/swift\/dictionary\">Dictionary<\/a>\u00a0\u0438\u00a0<a href=\"https:\/\/developer.apple.com\/documentation\/swift\/set\">Set<\/a>, \u0438\u043b\u0438 \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043f\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044e \u0432 <strong>Swift<\/strong>\u00a0<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0154-dictionary-key-and-value-collections.md\">custom <code class=\"highlighter-rouge\">keys<\/code> and <code class=\"highlighter-rouge\">values<\/code> collections<\/a><\/strong>\u00a0\u0438<strong>\u00a0<a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0165-dict.md\">other dictionary and set enhancements<\/a>.<\/strong><\/span><\/p>\n<h1><a href=\"https:\/\/swift.org\/blog\/dictionary-and-set-improvements\/\">Dictionary and Set Improvements in Swift 4.0<\/a><\/h1>\n<p><strong><a href=\"https:\/\/www.appcoda.com\/swift4-changes\/\">What&#8217;s new in Swift 4 by example<\/a><\/strong><\/p>\n<h1>\u041a\u043e\u043c\u043f\u043e\u0437\u0438\u0446\u0438\u044f \u043a\u043b\u0430\u0441\u0441\u043e\u0432 <strong><span style=\"color: #0000ff;\">classes<\/span><\/strong> \u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 <strong><span style=\"color: #0000ff;\">potocols<\/span><\/strong><\/h1>\n<p><span style=\"font-weight: 400;\">\u041e\u0434\u043d\u043e\u0439 \u0438\u0437 &#171;\u043f\u0440\u043e\u043f\u0443\u0449\u0435\u043d\u043d\u044b\u0445&#187; \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 \u0442\u0438\u043f\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b <strong>Swift<\/strong> \u0431\u044b\u043b\u0430 \u043d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0442\u044c \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">class<\/span><\/strong> \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c\u0438 <strong><span style=\"color: #0000ff;\">protocol<\/span><\/strong>. \u042d\u0442\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043e \u0432 <strong>Swift 4<\/strong>\u2014\u0442\u0435\u043f\u0435\u0440\u044c \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0442\u0438\u043f \u043e\u0431\u044a\u0435\u043a\u0442\u0430 \u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u043d \u0434\u043e\u043b\u0436\u0435\u043d &#171;\u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0442\u044c&#187;, \u0418 \u0432\u0441\u0435 \u044d\u0442\u043e \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044e\u00a0<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0156-subclass-existentials.md\">SE-0156<\/a><\/strong>. \u0412\u044b, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0436\u0435\u0442\u0435 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <strong><span style=\"color: #0000ff;\">UIView<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">Reloadable<\/span><\/strong>, \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8264 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM.png\" alt=\"\" width=\"1068\" height=\"256\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM.png 1068w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM-300x72.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM-768x184.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM-1024x245.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-8.52.36-AM-500x120.png 500w\" sizes=\"auto, (max-width: 1068px) 100vw, 1068px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0415\u0449\u0435 \u043e\u0434\u0438\u043d \u043f\u0440\u0438\u043c\u0435\u0440.\u00a0\u041c\u044b \u0445\u043e\u0442\u0438\u043c \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043a\u0430\u043a <strong><span style=\"color: #0000ff;\">UIView<\/span><\/strong>, \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u044e\u0449\u0435\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">HeaderView<\/span><\/strong> :<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8263 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM.png\" alt=\"\" width=\"1048\" height=\"700\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM.png 1048w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM-300x200.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM-768x513.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM-1024x684.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.26.43-AM-449x300.png 449w\" sizes=\"auto, (max-width: 1048px) 100vw, 1048px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0417\u0430\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u043c\u0435\u0442\u043a\u0443 <strong><span style=\"color: #0000ff;\">UILabel<\/span> <\/strong>\u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0434\u0438\u0442\u044c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">HeaderView<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8265 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM.png\" alt=\"\" width=\"1046\" height=\"192\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM.png 1046w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM-300x55.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM-768x141.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM-1024x188.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.32.12-AM-500x92.png 500w\" sizes=\"auto, (max-width: 1046px) 100vw, 1046px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0422\u0435\u043f\u0435\u0440\u044c \u043b\u044e\u0431\u0443\u044e \u043c\u0435\u0442\u043a\u0443 <strong><span style=\"color: #0000ff;\">UILabel<\/span><\/strong> \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f <strong><span style=\"color: #0000ff;\">ParallaxView<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8266 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM.png\" alt=\"\" width=\"1082\" height=\"116\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM.png 1082w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM-300x32.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM-768x82.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM-1024x110.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.34.58-AM-500x54.png 500w\" sizes=\"auto, (max-width: 1082px) 100vw, 1082px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041c\u044b \u043d\u0435 \u043c\u043e\u0436\u0435\u043c \u043f\u0435\u0440\u0435\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e <strong><span style=\"color: #0000ff;\">UIView<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043d\u0435 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">HeaderView<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8267 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM.png\" alt=\"\" width=\"1442\" height=\"382\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM.png 1442w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM-300x79.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM-768x203.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM-1024x271.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-9.52.48-AM-500x132.png 500w\" sizes=\"auto, (max-width: 1442px) 100vw, 1442px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0423 \u043d\u0430\u0441 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442 \u043e\u0448\u0438\u0431\u043a\u0430, \u0441\u043e\u043e\u0431\u0449\u0430\u044e\u0449\u0430\u044f \u043e \u0442\u043e\u043c, \u0447\u0442\u043e \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 \u0442\u0438\u043f\u0430 <strong><span style=\"color: #0000ff;\">UIView()<\/span><\/strong> \u043d\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u043e\u0436\u0438\u0434\u0430\u0435\u043c\u043e\u043c\u0443 \u0442\u0438\u043f\u0443 <strong><span style=\"color: #0000ff;\">UIView &amp; HeaderView<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Composing classes and protocols&#187;.<\/span><\/p>\n<h1>Generic Subscripts<\/h1>\n<p><span style=\"font-weight: 400;\"><strong>Swift<\/strong> \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 <strong>generic<\/strong> \u043c\u0435\u0442\u043e\u0434\u044b \u0441 \u0441\u0430\u043c\u043e\u0433\u043e \u043d\u0430\u0447\u0430\u043b\u0430, \u043d\u043e \u0432\u043e \u0432\u0441\u0435\u0445 \u043f\u0440\u0435\u0434\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 <strong>Swift 4<\/strong> \u0432\u0435\u0440\u0441\u0438\u044f\u0445, \u043e\u043d \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u043b <strong>generic subscripts<\/strong>. \u0412\u044b \u043c\u043e\u0433\u043b\u0438 \u0431\u044b &#171;\u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0436\u0430\u0442\u044c&#187; <strong>subscripts<\/strong> \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0431\u043e\u043b\u0435\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0442\u0438\u043f\u0430\u043c\u0438, \u043d\u043e \u0432\u044b \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043c\u043e\u0433\u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <strong>generics<\/strong>. \u0422\u0435\u043f\u0435\u0440\u044c, \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044e\u00a0<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0148-generic-subscripts.md\">[SE-0148]<\/a><\/strong>,\u00a0\u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u044d\u0442\u043e \u0434\u0435\u043b\u0430\u0442\u044c!!!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u0430\u043d\u043e\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f <strong>generic subscripts<\/strong> &#8212; \u044d\u0442\u043e \u0442\u0438\u043f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442<strong> JSON<\/strong> \u0434\u0430\u043d\u043d\u044b\u0435: \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c <strong>generic subscript<\/strong> \u0434\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 \u0432\u044b\u0437\u043e\u0432\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u043b \u043e\u0436\u0438\u0434\u0430\u0435\u043c\u044b\u0439 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u044b\u0439 \u0442\u0438\u043f.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8268 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM.png\" alt=\"\" width=\"1044\" height=\"730\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM.png 1044w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM-300x210.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM-768x537.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM-1024x716.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.09.58-AM-429x300.png 429w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u0440\u0443\u0433\u043e\u0439 \u043f\u0440\u0438\u043c\u0435\u0440: <strong><span style=\"color: #0000ff;\">subscript Collection<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0435\u0440\u0435\u0442 <strong>generic<\/strong> \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438\u043d\u0434\u0435\u043a\u0441\u043e\u0432 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043c\u0430\u0441\u0441\u0438\u0432 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u044d\u0442\u0438\u0445 \u0438\u043d\u0434\u0435\u043a\u0441\u043e\u0432 <strong><span style=\"color: #0000ff;\">indices<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8269 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM.png\" alt=\"\" width=\"1330\" height=\"936\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM.png 1330w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM-300x211.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM-768x540.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM-1024x721.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-15-at-11.16.46-AM-426x300.png 426w\" sizes=\"auto, (max-width: 1330px) 100vw, 1330px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Generic subscripts&#187;.<\/span><\/p>\n<h1><strong>\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f (constraints) \u0434\u043b\u044f<span style=\"color: #0000ff;\"> associatedtype<\/span><\/strong><\/h1>\n<p><span style=\"font-weight: 400;\"><strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0142-associated-types-constraints.md\">[SE-0142]<\/a><\/strong>: \u0442\u0435\u043f\u0435\u0440\u044c <strong><span style=\"color: #0000ff;\">associatedtypes<\/span><\/strong> \u0432 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u0445 <strong><span style=\"color: #0000ff;\">protocols<\/span><\/strong> \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u044b \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0439 <strong><span style=\"color: #0000ff;\">where<\/span><\/strong>. \u042d\u0442\u043e \u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0434\u0435\u043b\u0430\u0435\u0442 \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0442\u0438\u043f\u0438\u0437\u0430\u0446\u0438\u0438 <strong>Swift<\/strong> \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0440\u0430\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0438 \u0441\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0443\u0435\u0442 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u043c\u0443 \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u0412 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u0432 <strong>Swift 4<\/strong> \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e <strong><span style=\"color: #0000ff;\">Sequence<\/span><\/strong> \u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0435\u0439 <strong>Collection<\/strong> \u0441\u0442\u0430\u043b\u043e \u043d\u0430\u043c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0449\u0435 \u0438 \u0438\u043d\u0442\u0443\u0438\u0442\u0438\u0432\u043d\u0435\u0435.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0422\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c <strong><span style=\"color: #0000ff;\">Sequence<\/span><\/strong> \u0438\u043c\u0435\u0435\u0442 \u0441\u0432\u043e\u0439 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 <strong><span style=\"color: #0000ff;\">associatedtype<\/span>\u00a0<\/strong><span style=\"color: #000000;\">&#8212;<\/span><strong><span style=\"color: #0000ff;\">Element<\/span><\/strong>. \u042d\u0442\u043e \u0441\u0442\u0430\u043b\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043d\u043e\u0432\u044b\u043c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c <strong>generics<\/strong>, \u0442\u0430\u043a \u043a\u0430\u043a \u0442\u0435\u043f\u0435\u0440\u044c \u0432 \u0442\u0438\u043f\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 <strong>Swift<\/strong>\u00a0<strong>4<\/strong> \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 <span style=\"color: #0000ff;\"><strong>associatedtype Element where Element == Iterator.Element<\/strong><\/span>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412\u0435\u0437\u0434\u0435, \u0433\u0434\u0435 \u0440\u0430\u043d\u044c\u0448\u0435 \u0432\u044b \u043f\u0438\u0441\u0430\u043b\u0438 <strong><span style=\"color: #0000ff;\">Iterator.Element<\/span><\/strong> \u0432 <strong>Swift 3<\/strong>, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u0440\u043e\u0441\u0442\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c <strong><span style=\"color: #0000ff;\">Element<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.51.32-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8271 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.51.32-PM.png\" alt=\"\" width=\"954\" height=\"500\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.51.32-PM.png 954w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.51.32-PM-300x157.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.51.32-PM-768x403.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.51.32-PM-500x262.png 500w\" sizes=\"auto, (max-width: 954px) 100vw, 954px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u0440\u0443\u0433\u043e\u0439 \u043f\u0440\u0438\u043c\u0435\u0440. \u0412 <strong>Swift 3<\/strong>\u00a0\u043d\u0438\u0436\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">extension<\/span><\/strong> \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043b\u043e \u0431\u043e\u043b\u044c\u0448\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u0438\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0442\u0438\u043f\u0438\u0437\u0430\u0446\u0438\u0438 <strong>Swift 3<\/strong> \u043d\u0435 \u043c\u043e\u0433\u043b\u0430 \u0432\u044b\u0440\u0430\u0437\u0438\u0442\u044c \u0438\u0434\u0435\u044e, \u0447\u0442\u043e \u00a0<strong>associatedtype Indices<\/strong> \u0434\u043b\u044f <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong> \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 <strong><span style=\"color: #0000ff;\">Collection.Index<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8272 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM.png\" alt=\"\" width=\"1148\" height=\"548\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM.png 1148w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM-300x143.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM-768x367.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM-1024x489.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-3.59.03-PM-500x239.png 500w\" sizes=\"auto, (max-width: 1148px) 100vw, 1148px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u0430 \u0440\u0435\u0430\u043b\u044c\u043d\u043e \u043e\u0447\u0435\u043d\u044c \u043f\u043e\u043b\u0435\u0437\u043d\u044b \u043f\u0440\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0438 <strong>APIs<\/strong> \u0441 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 <strong><span style=\"color: #0000ff;\">protocols<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043e\u043f\u0443\u0441\u0442\u0438\u043c, \u043d\u0430\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c &#171;\u0440\u0430\u0437\u0434\u0435\u043b\u044f\u0435\u043c\u044b\u0439&#187; API \u0434\u043b\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u042d\u0442\u043e\u0442 <strong>API<\/strong> \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u0432\u0435\u0442\u0441\u0432\u0435\u043d\u043d\u044b\u043c \u0437\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0442\u0438\u043f\u0430\u043c\u0438 \u041c\u043e\u0434\u0435\u043b\u0435\u0439 \u0432 \u0432\u0430\u0448\u0435\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0438. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <strong><span style=\"color: #0000ff;\">protocol<\/span><\/strong> \u0441 \u0438\u043c\u0435\u043d\u0435\u043c \u00a0<strong><span style=\"color: #0000ff;\">ModelManager<\/span><\/strong>, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0435\u0441\u0442\u044c<strong><span style=\"color: #0000ff;\">\u00a0associatedtype Model<\/span><\/strong>, like this:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8273 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM.png\" alt=\"\" width=\"1088\" height=\"180\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM.png 1088w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM-300x50.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM-768x127.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM-1024x169.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.52.37-PM-500x83.png 500w\" sizes=\"auto, (max-width: 1088px) 100vw, 1088px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0435\u0449\u0435 \u043e\u0434\u0438\u043d \u0448\u0430\u0433 \u0432\u043f\u0435\u0440\u0435\u0434 \u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u043c <strong>API<\/strong> \u0434\u043b\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0443 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u043c\u043e\u0434\u0435\u043b\u0438 <strong><span style=\"color: #0000ff;\">ModelManager<\/span><\/strong> \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 \u043c\u043e\u0434\u0435\u043b\u0435\u0439\u00a0<span style=\"color: #0000ff;\"><strong>[Model]<\/strong><\/span>. \u041c\u044b \u043c\u043e\u0433\u043b\u0438 \u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u0430 <span style=\"color: #0000ff;\"><strong>query<\/strong><\/span> \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u0442\u0438\u043f, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, <strong><span style=\"color: #0000ff;\">String<\/span><\/strong>. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0431\u044b \u043c\u0430\u0441\u0441\u0438\u0432\u00a0<strong><span style=\"color: #0000ff;\">[Model]<\/span> <\/strong>\u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8274 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM.png\" alt=\"\" width=\"1096\" height=\"278\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM.png 1096w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM-300x76.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM-768x195.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM-1024x260.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-17-at-4.59.26-PM-500x127.png 500w\" sizes=\"auto, (max-width: 1096px) 100vw, 1096px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u042d\u0442\u043e\u0442 \u043a\u043e\u0434 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u043d\u043e \u043e\u043d \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0433\u0438\u0431\u043a\u0438\u0439 \u0438, \u0432\u044b\u0440\u0430\u0436\u0430\u044f\u0441\u044c \u044f\u0437\u044b\u043a\u043e\u043c <strong>Swift<\/strong> \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u043b\u0438\u0448\u043a\u043e\u043c &#171;<strong><span style=\"color: #0000ff;\">S<\/span><\/strong><em><strong><span style=\"color: #0000ff;\">tringly<\/span><\/strong>&#187; \u0442\u0438\u043f\u0438\u0437\u043e\u0432\u0430\u043d<\/em>. \u0412\u043c\u0435\u0441\u0442\u043e \u044d\u0442\u043e\u0433\u043e \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <strong>generic<\/strong> \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f (<strong>constraints<\/strong>), \u0447\u0442\u043e\u0431\u044b \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0442\u0438\u043f\u0438\u0437\u0430\u0446\u0438\u0438 Swift 4 \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0431\u043e\u043b\u044c\u0448\u0435\u0439 \u0433\u0438\u0431\u043a\u043e\u0441\u0442\u0438, \u043f\u043e\u043b\u0443\u0447\u0438\u0432 \u0441\u0442\u0440\u043e\u0433\u043e \u0442\u0438\u043f\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u044b <strong><span style=\"color: #0000ff;\">queries<\/span><\/strong>, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u043d\u0430\u0448\u0435\u043c \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u043e\u043c \u043c\u043e\u0434\u0435\u043b\u0438 <strong><span style=\"color: #0000ff;\">ModelManager<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0435\u0449\u0435 \u0434\u0432\u0430 \u043d\u043e\u0432\u044b\u0445 <strong><span style=\"color: #0000ff;\">associatedtypes<\/span><\/strong> \u0432 \u043d\u0430\u0448 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b <span style=\"color: #0000ff;\"><strong>ModelManager<\/strong><\/span>: \u00a0\u043e\u0434\u0438\u043d &#8212; \u0434\u043b\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u0430 <strong><span style=\"color: #0000ff;\">Query<\/span><\/strong> \u0442\u0438\u043f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043a\u0430\u043a\u0438\u043c \u0443\u0433\u043e\u0434\u043d\u043e,\u00a0\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, <strong><span style=\"color: #0000ff;\">enum<\/span><\/strong>,\u00a0\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b.\u00a0\u0417\u0430\u0442\u0435\u043c \u043c\u044b \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u043c\u0441\u044f \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0442\u0438\u043f <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u044b \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u043c \u0442\u0430\u043a, \u0447\u0442\u043e \u0442\u0438\u043f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u0437 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 <span style=\"color: #0000ff;\"><strong>Collection<\/strong><\/span>\u00a0\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0442\u0438\u043f\u0443 \u043c\u043e\u0434\u0435\u043b\u0438 <span style=\"color: #0000ff;\"><strong>Model<\/strong><\/span>. \u041a\u043e\u043d\u0435\u0447\u043d\u044b\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0442\u0430\u043a:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8276 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM.png\" alt=\"\" width=\"1342\" height=\"272\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM.png 1342w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM-300x61.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM-768x156.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM-1024x208.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-1.46.25-PM-500x101.png 500w\" sizes=\"auto, (max-width: 1342px) 100vw, 1342px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0421 \u0443\u0447\u0435\u0442\u043e\u043c \u0432\u044b\u0448\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u043c\u044b \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e \u043c\u043e\u0436\u0435\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043b\u044e\u0431\u044b\u0435 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u044b \u041c\u043e\u0434\u0435\u043b\u0438 \u0441 \u043e\u0434\u043d\u0438\u043c \u0438 \u0442\u0435\u043c \u0436\u0435 <strong>API<\/strong>, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0442\u0438\u043f\u044b \u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430\u0441 \u0443\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u044e\u0442.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 <span style=\"color: #0000ff;\"><strong>ModelManager<\/strong><\/span> \u0434\u043b\u044f \u043c\u043e\u0434\u0435\u043b\u0438 <strong><span style=\"color: #0000ff;\">User<\/span><\/strong>, \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043c\u0430\u0441\u0441\u0438\u0432 <strong><span style=\"color: #0000ff;\">Array<\/span><\/strong> \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0442\u0438\u043f\u0430 <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong> \u0438 \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">enum<\/span><\/strong> \u0434\u043b\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u0430 <strong><span style=\"color: #0000ff;\">Query<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u043d\u0430\u043c \u0432\u044b\u0431\u0438\u0440\u0430\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043f\u043e \u0438\u043c\u0435\u043d\u0438 <strong><span style=\"color: #0000ff;\">name<\/span><\/strong> \u0438 \u0432\u043e\u0437\u0440\u0430\u0441\u0442\u043d\u043e\u043c\u0443 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0443 \u00a0<strong><span style=\"color: #0000ff;\">ageRange<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8277 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM.png\" alt=\"\" width=\"1314\" height=\"1202\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM.png 1314w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM-300x274.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM-768x703.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM-1024x937.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-18-at-2.11.19-PM-328x300.png 328w\" sizes=\"auto, (max-width: 1314px) 100vw, 1314px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f \u0434\u0440\u0443\u0433\u0438\u0445 \u041c\u043e\u0434\u0435\u043b\u0435\u0439 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u043c \u0442\u0438\u043f\u043e\u043c \u0434\u043b\u044f \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 <strong><span style=\"color: #0000ff;\">Collection<\/span><\/strong> \u043c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u0441\u043b\u043e\u0432\u0430\u0440\u044c <strong><span style=\"color: #0000ff;\">Dictionary<\/span><\/strong>. \u0412\u043e\u0442 \u0434\u0440\u0443\u0433\u043e\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0435\u0442 \u0444\u0438\u043b\u044c\u043c\u044b \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0438\u0445 \u0436\u0430\u043d\u0440\u0430 <strong><span style=\"color: #0000ff;\">genre<\/span><\/strong> \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u0435\u043b\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043f\u043e \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0442\u0435\u043a\u0441\u0442\u0430 \u0432 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0438 \u0444\u0438\u043b\u044c\u043c\u0430 \u0438\u043b\u0438 \u043f\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0443 \u0434\u0430\u0442\u044b \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0444\u0438\u043b\u044c\u043c\u0430:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.15.50-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8281 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.15.50-AM.png\" alt=\"\" width=\"1142\" height=\"1448\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.15.50-AM.png 1142w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.15.50-AM-237x300.png 237w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.15.50-AM-768x974.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.15.50-AM-808x1024.png 808w\" sizes=\"auto, (max-width: 1142px) 100vw, 1142px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0418\u043c\u0435\u044f \u0432 \u0440\u0430\u0441\u043f\u043e\u0440\u044f\u0436\u0435\u043d\u0438\u0438 \u043c\u0430\u0441\u0441\u0438\u0432 \u0444\u0438\u043b\u044c\u043c\u043e\u0432 <strong><span style=\"color: #0000ff;\">movies<\/span><\/strong>, \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0434\u0435\u043b\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0435, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0442\u0435\u043a\u0441\u0442 &#171;<strong>Little<\/strong>&#187; \u00a0\u0432 \u00a0\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0435 \u0444\u0438\u043b\u044c\u043c\u0430 \u0438\u043b\u0438 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0433\u043e\u0434\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u0444\u0438\u043b\u044c\u043c\u0430<strong><span style=\"color: #0000ff;\"> Range(1993&#8230;2003)<\/span><\/strong> \u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u0447\u0435\u043d\u044c \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u0444\u0438\u043b\u044c\u043c\u043e\u0432 \u0432 \u0432\u0438\u0434\u0435 \u0441\u043b\u043e\u0432\u0430\u0440\u044f \u0441 \u043a\u043b\u044e\u0447\u043e\u043c <strong><span style=\"color: #0000ff;\">Genre<\/span><\/strong> (\u0436\u0430\u043d\u0440):<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8282 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM.png\" alt=\"\" width=\"1476\" height=\"1028\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM.png 1476w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM-300x209.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM-768x535.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM-1024x713.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-7.21.29-AM-431x300.png 431w\" sizes=\"auto, (max-width: 1476px) 100vw, 1476px\" \/><\/a><\/p>\n<p data-content-field=\"title\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Associated type constraints.<\/p>\n<p data-content-field=\"title\">\u0421\u0441\u044b\u043b\u043a\u0438:<\/p>\n<h2 class=\"entry-title entry-title--large p-name\" data-content-field=\"title\"><a href=\"https:\/\/www.swiftbysundell.com\/posts\/using-generic-type-constraints-in-swift-4\">Using generic type constraints in Swift 4<\/a><\/h2>\n<h1>\u041c\u0435\u0442\u043e\u0434 <span style=\"color: #0000ff;\">MutableCollection.swapAt<\/span><\/h1>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0173-swap-indices.md\"><strong>[SE-0173<\/strong>]<\/a> \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u0434\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043c\u0435\u043d\u044f\u0442\u044c \u043c\u0435\u0441\u0442\u0430\u043c\u0438 \u0434\u0432\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0432 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438. \u0412 \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 <span style=\"color: #0000ff;\"><strong>swap(_:_:),<\/strong><\/span> \u043c\u0435\u0442\u043e\u0434 <strong><span style=\"color: #0000ff;\">swapAt(_:_:)<\/span><\/strong> \u0431\u0435\u0440\u0435\u0442 \u0438\u043d\u0434\u0435\u043a\u0441\u044b \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u043f\u043e\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043c\u0435\u0441\u0442\u0430\u043c\u0438, \u0430 \u043d\u0435 \u0441\u0430\u043c\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b (\u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <strong><span style=\"color: #0000ff;\">inout<\/span><\/strong> \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041f\u0440\u0438\u0447\u0438\u043d\u0430 \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430<span style=\"color: #0000ff;\"> <strong>swapAt(_:_:)<\/strong><\/span>\u00a0 \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u044f <strong><span style=\"color: #0000ff;\">swap<\/span><\/strong> \u0441 \u0434\u0440\u0443\u043c\u044f<strong><span style=\"color: #0000ff;\"> inout<\/span><\/strong> \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430\u043c\u0438 \u043e\u043a\u0430\u0437\u0430\u043b\u0430\u0441\u044c \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0439 \u0441 \u043d\u043e\u0432\u044b\u043c\u0438 \u0438\u0441\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u043c\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u043c\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0430\u043c\u044f\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u044b \u0432 <strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0176-enforce-exclusive-access-to-memory.md\">[SE-0176]<\/a><\/strong>. \u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f <strong><span style=\"color: #0000ff;\">swap(_:_:)<\/span><\/strong> \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0431\u043e\u043b\u044c\u0448\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0434\u0432\u0443\u043c\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043c\u0435\u0441\u0442\u0430\u043c\u0438 \u0432 \u043e\u0434\u043d\u043e\u0439 \u0438 \u0442\u043e\u0439 \u0436\u0435 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8283 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM.png\" alt=\"\" width=\"1294\" height=\"410\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM.png 1294w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM-300x95.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM-768x243.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM-1024x324.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-8.20.27-AM-500x158.png 500w\" sizes=\"auto, (max-width: 1294px) 100vw, 1294px\" \/><\/a><\/p>\n<p id=\"limitingobjectivecinference\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;swapAt&#187;.<\/p>\n<h2>\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043b\u0430\u0441\u0441\u043e\u0432, \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u0432 \u00a0Objective-C \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e @objc<\/h2>\n<p><span style=\"font-weight: 400;\"><strong>Swift 4<\/strong> \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u0443\u0435\u0442 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u043e\u0432, \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c <strong><span style=\"color: #0000ff;\">@objc<\/span> <\/strong>\u0442\u043e\u043b\u044c\u043a\u043e \u0442\u0435\u043c\u0438 \u0441\u043b\u0443\u0447\u0430\u044f\u043c\u0438, \u043a\u043e\u0433\u0434\u0430 \u0441\u0430\u043c\u043e \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0434\u043b\u044f <strong>Objective-C<\/strong> (<strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0160-objc-inference.md\">[SE-0160]<\/a>)<\/strong>.<br \/>\n<span style=\"font-weight: 400;\">\u042d\u0442\u043e \u0443\u043c\u0435\u043d\u044c\u0448\u0430\u0435\u0442 \u0431\u0438\u043d\u0430\u0440\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0437\u0430 \u0441\u0447\u0435\u0442 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u043d\u0435\u0442 \u0438\u0437\u0431\u044b\u0442\u043e\u0447\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 <strong>Objective-C<\/strong>\u00a0\u043a\u043e\u0434\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u044b \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435, \u0438 \u0434\u0430\u0435\u0442 \u043d\u0430\u043c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0442\u0435\u043c, \u043a\u043e\u0433\u0434\u0430 <strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong> \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f. \u041d\u0430\u0441\u043b\u0435\u0434\u0443\u0435\u043c\u044b\u0435 \u043e\u0442 <strong><span style=\"color: #0000ff;\">NSObject<\/span><\/strong> \u043a\u043b\u0430\u0441\u0441\u044b \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435 \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u0443\u044e\u0442\u0441\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u00a0<strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong>:<\/span><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8285 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM.png\" alt=\"\" width=\"1158\" height=\"228\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM.png 1158w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM-300x59.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM-768x151.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM-1024x202.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.18.15-PM-500x98.png 500w\" sizes=\"auto, (max-width: 1158px) 100vw, 1158px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041d\u043e \u0435\u0441\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 <strong>Swift 4<\/strong> \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043d\u0435\u044f\u0432\u043d\u043e\u0435 \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <span style=\"color: #0000ff;\"><strong>@objc<\/strong><\/span>:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u0414\u0435\u043a\u043b\u0430\u0440\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0440\u0435\u0431\u0443\u0442 \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u0430 <strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong><\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u0414\u0435\u043a\u043b\u0430\u0440\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u044f\u044e\u0442 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c @objc \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u0414\u0435\u043a\u043b\u0430\u0440\u0430\u0446\u0438\u0438, \u0443 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0435\u0441\u0442\u044c \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u044b <strong><span style=\"color: #0000ff;\">@IBAction<\/span><\/strong>, <strong><span style=\"color: #0000ff;\">@IBInspectabl<\/span><\/strong>e, <strong><span style=\"color: #0000ff;\">@IBOutle<\/span><\/strong>t, <strong><span style=\"color: #0000ff;\">@NSManaged<\/span><\/strong>, <strong><span style=\"color: #0000ff;\">@GKInspectable<\/span><\/strong><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u0415\u0441\u043b\u0438 \u0432\u0430\u043c \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f <strong><span style=\"color: #0000ff;\">@objc<\/span> <\/strong>\u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u043d\u0438\u0435 \u0434\u043b\u044f \u0446\u0435\u043b\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430, \u0442\u043e \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u043e\u0432\u044b\u0439 \u0430\u0442\u0440\u0438\u0431\u0443\u0442 <strong><span style=\"color: #0000ff;\">@objcmembers<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8286 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM.png\" alt=\"\" width=\"1388\" height=\"294\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM.png 1388w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM-300x64.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM-768x163.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM-1024x217.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.20.13-PM-500x106.png 500w\" sizes=\"auto, (max-width: 1388px) 100vw, 1388px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0443\u0431\u0440\u0430\u0442\u044c <strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong> \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u00a0<strong><span style=\"color: #0000ff;\">extension<\/span><\/strong> \u0438\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 &#8212; \u0434\u043e\u0431\u0430\u0432\u044c\u0442\u0435 \u043d\u043e\u0432\u044b\u0439 \u0430\u0442\u0440\u0438\u0431\u0443\u0442 <strong><span style=\"color: #0000ff;\">@nonobjc<\/span><\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8287 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM.png\" alt=\"\" width=\"1162\" height=\"148\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM.png 1162w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM-300x38.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM-768x98.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM-1024x130.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-19-at-6.21.11-PM-500x64.png 500w\" sizes=\"auto, (max-width: 1162px) 100vw, 1162px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u0417\u0430\u043c\u0435\u0442\u044c\u0442\u0435 \u0442\u0430\u043a\u0436\u0435, \u0447\u0442\u043e <strong><span style=\"color: #0000ff;\">dynamic<\/span><\/strong> \u043d\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435\u044f\u0432\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u043f\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f @objc. \u0415\u0441\u043b\u0438 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0442 \u043e\u0442 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0434\u0438\u0441\u043f\u0435\u0442\u0447\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f <strong>Objective-C runtime<\/strong> (\u0442\u0430\u043a\u0438\u0445, \u043a\u0430\u043a <strong>KVO<\/strong>), \u0442\u043e \u0432\u0430\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043f\u0440\u0438 \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u044b <strong><span style=\"color: #0000ff;\">@objc dynamic<\/span><\/strong>:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8290 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM.png\" alt=\"\" width=\"1098\" height=\"468\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM.png 1098w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM-300x128.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM-768x327.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM-1024x436.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-5.50.43-AM-500x213.png 500w\" sizes=\"auto, (max-width: 1098px) 100vw, 1098px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;Limiting @objc inference&#187;.<\/span><\/p>\n<h1>&#171;\u0412\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c&#187;<span style=\"color: #0000ff;\"> private<\/span> \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043b\u044e\u0431\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0435\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0438 <span style=\"color: #0000ff;\">extension<\/span>, \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0438\u0445\u0441\u044f \u0432 \u0442\u043e\u043c \u0436\u0435 \u0441\u0430\u043c\u043e\u043c \u00a0\u0442\u043e\u0433\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0435.<\/h1>\n<p><span style=\"font-weight: 400;\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 <strong><a href=\"https:\/\/github.com\/apple\/swift-evolution\/blob\/master\/proposals\/0169-improve-interaction-between-private-declarations-and-extensions.md\">[SE-0169]<\/a> <\/strong>\u0438\u0437\u043c\u0435\u043d\u044f\u0435\u0442 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0447\u0442\u043e <strong><span style=\"color: #0000ff;\">private<\/span><\/strong> \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0430\u043a\u0436\u0435 \u0441\u0442\u0430\u043d\u043e\u0432\u044f\u0442\u0441\u044f &#171;\u0432\u0438\u0434\u0438\u043c\u044b\u043c\u0438&#187; \u0432\u043d\u0443\u0442\u0440\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439 <strong>extensions<\/strong> \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u0442\u0438\u043f\u0430 \u00a0\u0432 \u0442\u043e\u043c \u0436\u0435 \u0441\u0430\u043c\u043e\u043c \u0444\u0430\u0439\u043b\u0435. \u042d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u0430 \u0432 \u043c\u043d\u043e\u0433\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u0445 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u0445 <span style=\"color: #0000ff;\"><strong>extensions<\/strong><\/span> \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <strong><span style=\"color: #0000ff;\">private<\/span><\/strong> \u0434\u043b\u044f \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e <strong><span style=\"color: #0000ff;\">private<\/span><\/strong> \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u0443\u043c\u0435\u043d\u044c\u0448\u0430\u044f \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u044f \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430 <strong><span style=\"color: #0000ff;\">fileprivate<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">:<\/span><\/span><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8293 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM.png\" alt=\"\" width=\"1066\" height=\"788\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM.png 1066w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM-300x222.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM-768x568.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM-1024x757.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.33.06-AM-406x300.png 406w\" sizes=\"auto, (max-width: 1066px) 100vw, 1066px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f <strong><span style=\"color: #0000ff;\">storage<\/span><\/strong> \u00a0&#171;\u041d\u0415\u0432\u0438\u0434\u0438\u043c\u0430&#187; \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043a\u043e\u0434\u0435:<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-8294 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM.png\" alt=\"\" width=\"1102\" height=\"94\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM.png 1102w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM-300x26.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM-768x66.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM-1024x87.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2017\/09\/Screen-Shot-2017-10-20-at-10.50.07-AM-500x43.png 500w\" sizes=\"auto, (max-width: 1102px) 100vw, 1102px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041e\u043d\u0430 \u0431\u044b\u043b\u0430 \u0431\u044b &#171;\u0432\u0438\u0434\u043d\u0430&#187;,\u00a0\u0435\u0441\u043b\u0438 \u0431\u044b \u0438\u043c\u0435\u043b\u0430 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0434\u043e\u0441\u0442\u0443\u043f\u0430 <strong><span style=\"color: #0000ff;\">fileprivate<\/span><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/New-in-Swift-4\">Playground<\/a><\/strong> \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 &#171;private in same-file extensions&#187;.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0421\u0441\u044b\u043b\u043a\u0438:<\/span><\/p>\n<p><a href=\"https:\/\/github.com\/ole\/whats-new-in-swift-4\"><strong>What&#8217;s New in Swift 4<\/strong><\/a><\/p>\n<p><span style=\"font-weight: 400;\"><strong><a href=\"https:\/\/code.tutsplus.com\/articles\/whats-new-in-swift-4--cms-28939\">What&#8217;s New in Swift 4<\/a><\/strong><\/span><\/p>\n<h1><a href=\"https:\/\/www.appcoda.com\/swift4-changes\/\">What\u2019s New in Swift 4 by Example<\/a><\/h1>\n<h1><a href=\"https:\/\/plausible.coop\/blog\/2017\/09\/13\/best-new-features-in-swift-4?utm_campaign=iOS%2BDev%2BWeekly&amp;utm_medium=email&amp;utm_source=iOS_Dev_Weekly_Issue_318\">The Best New Features in Swift 4<\/a><\/h1>\n<h1 class=\"post-header__title\"><a href=\"https:\/\/themindstudios.com\/blog\/swift-4-vs-swift-3-differences\/\">Swift 4.0 vs Swift 3.0 &#8212; Differences And New Features<\/a><\/h1>\n<h1 class=\"title\"><a href=\"http:\/\/skyefreeman.io\/programming\/2017\/06\/28\/kvo-in-ios11.html\">Key Value Observation in iOS 11<\/a><\/h1>\n<h1 class=\"page__title\"><a href=\"https:\/\/www.klundberg.com\/blog\/swift-4-keypaths-and-you\/\">Swift 4 KeyPaths and You<\/a><\/h1>\n<h1 id=\"8a0e\" class=\"graf graf--h3 graf--leading graf--title\"><a href=\"https:\/\/blog.mindorks.com\/whats-new-in-swift-4-4c78766efa6e\">What\u2019s new in Swift\u00a04<\/a><\/h1>\n<p><strong><a href=\"https:\/\/speakerdeck.com\/elmkretzer\/a-swift-4-keypath-journey\">A Swift 4 KeyPath journey<\/a><\/strong><\/p>\n<h2 class=\"entry-title entry-title--large p-name\" data-content-field=\"title\"><a href=\"https:\/\/www.swiftbysundell.com\/posts\/using-generic-type-constraints-in-swift-4\">Using generic type constraints in Swift 4<\/a><\/h2>\n<h1><a href=\"https:\/\/swift.org\/blog\/dictionary-and-set-improvements\/\">Dictionary and Set Improvements in Swift 4.0<\/a><\/h1>\n<p><strong><a href=\"http:\/\/nsscreencast.com\/episodes\/305-codable-and-polymorphism\">Codable and Polymorphism<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Swift 4.0\u00a0\u0432 Xcode 9 \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d, \u0438 \u043e\u043d \u043f\u0440\u0438\u043d\u0435\u0441 \u043d\u0430\u043c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438\u044f\u0442\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043c\u044b \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u043d\u0438 \u0442\u0430\u043a\u043e\u0439 \u043a\u0430\u0440\u0434\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u0430, \u043a\u0430\u043a \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u0434\u043b\u044f Swift 3, \u043d\u0438 \u0442\u0430\u043a\u0438\u0445 \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439, \u043a\u0430\u043a \u0432 Swift 2, \u043d\u043e \u0435\u0441\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e &hellip; <a href=\"https:\/\/bestkora.com\/IosDeveloper\/chto-novogo-v-swift-4\/\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,43],"tags":[44],"class_list":["post-8085","post","type-post","status-publish","format-standard","hentry","category-ios-11","category-swift-4","tag-swift-4"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/posts\/8085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/comments?post=8085"}],"version-history":[{"count":54,"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/posts\/8085\/revisions"}],"predecessor-version":[{"id":9778,"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/posts\/8085\/revisions\/9778"}],"wp:attachment":[{"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/media?parent=8085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/categories?post=8085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestkora.com\/IosDeveloper\/wp-json\/wp\/v2\/tags?post=8085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}