{"id":2144,"date":"2015-05-17T13:29:32","date_gmt":"2015-05-17T13:29:32","guid":{"rendered":"http:\/\/bestkora.com\/IosDeveloper\/?p=2144"},"modified":"2016-05-07T13:03:14","modified_gmt":"2016-05-07T13:03:14","slug":"dopolnenie-k-lektsiya-2-osobennosti-koda-calculator-v-swift-1-2-ili-kak-ne-zastryat-na-etom-meste","status":"publish","type":"post","link":"https:\/\/bestkora.com\/IosDeveloper\/dopolnenie-k-lektsiya-2-osobennosti-koda-calculator-v-swift-1-2-ili-kak-ne-zastryat-na-etom-meste\/","title":{"rendered":"\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a \u041b\u0435\u043a\u0446\u0438\u044f 2 &#8212; \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u0434\u0430 Calculator \u0432 Swift 1.2 \u0438 Swift 2.0 \u0438\u043b\u0438 \u043a\u0430\u043a \u043d\u0435 &#171;\u0437\u0430\u0441\u0442\u0440\u044f\u0442\u044c&#187; \u043d\u0430 \u044d\u0442\u043e\u043c \u043c\u0435\u0441\u0442\u0435"},"content":{"rendered":"<p>\u0415\u0441\u043b\u0438 \u0432\u044b \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0430\u0435\u0442\u0435 \u043a \u0438\u0437\u0443\u0447\u0435\u043d\u0438\u044e \u00a0\u041b\u0435\u043a\u0446\u0438\u0438 2 (<strong><a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-2-cs193p-winter-2015-bolshe-xcode-i-swift-mvc-chast-1\/\">1-\u0430\u044f \u0447\u0430\u0441\u0442\u044c<\/a><\/strong>, <a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-2-cs193p-winter-2015-bolshe-xcode-i-swift-mvc-chast-2\/\"><strong>2-\u0430\u044f \u0447\u0430\u0441\u0442\u044c<\/strong><\/a> \u0438 <strong><a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-2-cs193p-winter-2015-bolshe-xcode-i-swift-mvc-chast-3\/\">3-\u044f \u0447\u0430\u0441\u0442\u044c<\/a><\/strong>) \u0441 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u043c\u0438<strong> Swift 1.2<\/strong> \u00a0\u0438 <strong>Xcode 6.3<\/strong>, \u0430 \u043d\u0435\u00a0<strong>Swift 1.1<\/strong> \u00a0\u0438 <strong>Xcode 6.2<\/strong>, \u043a\u0430\u043a \u0443 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440\u0430 \u041f\u043e\u043b\u0430 \u0425\u044d\u0433\u0435\u0440\u0442\u0438, \u0442\u043e \u0431\u043b\u0438\u0436\u0435 \u043a \u043a\u043e\u043d\u0446\u0443 \u043b\u0435\u043a\u0446\u0438\u0438 (\u043a\u043e\u043d\u0435\u0446<strong> <a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-2-cs193p-winter-2015-bolshe-xcode-i-swift-mvc-chast-2\/\">2-\u043e\u0439 \u0447\u0430\u0441\u0442\u0438<\/a><\/strong>) \u0432\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u043e\u0448\u0438\u0431\u043a\u0443, \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0443 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440\u0430 \u043d\u0435\u0442. \u042d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0441\u0438\u043b\u044c\u043d\u043e &#171;\u043f\u0440\u0438\u0442\u043e\u0440\u043c\u043e\u0437\u0438\u0442\u044c&#187; \u0432\u0430\u0448 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f. \u00a0\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u044d\u0442\u043e\u0433\u043e \u043d\u0435 \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u043e, \u044f \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0443, \u0447\u0435\u043c \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440, \u0432<strong> Swift 1.1<\/strong> \u0438 \u0432 <strong>Swift 1.2<\/strong>. \u041f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u041f\u043e\u043b\u0430 \u0425\u044d\u0433\u0435\u0440\u0442\u0438\u00a0\u0445\u043e\u0447\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0442\u0430\u043a\u0443\u044e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u00a0<strong>Swift<\/strong> \u043a\u0430\u043a \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0430 (<strong>overloading<\/strong>) \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0441 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438 \u0438\u043c\u0435\u043d\u0430\u043c\u0438 \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 <strong><span style=\"color: #0000ff;\">performOperation <\/span><\/strong>\u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0441 \u043e\u0434\u043d\u0438\u043c \u0438 \u0434\u0432\u0443\u043c\u044f\u00a0<strong><span style=\"color: #0000ff;\">\u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430\u043c\u0438<\/span><\/strong><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-03-at-2.29.20-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-856 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-03-at-2.29.20-PM.png\" alt=\"Screen Shot 2015-02-03 at 2.29.20 PM\" width=\"1252\" height=\"662\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-03-at-2.29.20-PM.png 1252w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-03-at-2.29.20-PM-300x159.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-03-at-2.29.20-PM-1024x541.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-03-at-2.29.20-PM-500x264.png 500w\" sizes=\"auto, (max-width: 1252px) 100vw, 1252px\" \/><\/a><br \/>\n\u0415\u0433\u043e &#171;\u0437\u0430\u0434\u0443\u043c\u043a\u0430&#187; \u0432\u00a0<strong>Swift 1.1<\/strong>\u00a0\u0441\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u0438 \u043e\u043d \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442 \u043d\u0438\u043a\u0430\u043a\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u0438, \u0430 \u0432\u044b \u0432 <strong>Swift 1.2<\/strong> &#8212; \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u043e\u0448\u0438\u0431\u043a\u0443<\/p>\n<pre> Method 'perform' with Objective<span class=\"pl-k\">-<\/span>C selector 'perform: ' conflicts with previous declaration with the same Objective<span class=\"pl-k\">-<\/span>C selector<\/pre>\n<p>\u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0433\u043e\u0432\u043e\u0440\u0438\u0442 \u043e \u0442\u043e\u043c, \u0447\u0442\u043e &#171;\u041c\u0435\u0442\u043e\u0434 <strong><span style=\"color: #0000ff;\">perform<\/span><\/strong> c <strong>Objective-C<\/strong> \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u043e\u043c <strong><span style=\"color: #0000ff;\">perform:<\/span> <\/strong>\u043a\u043e\u043d\u0444\u043b\u0438\u043a\u0442\u0443\u0435\u0442 \u0441 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435\u043c \u0442\u043e\u0433\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0433\u043e <strong>Objective-C<\/strong> \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430&#187;.<\/p>\n<p><!--more--><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-05-17-at-2.23.09-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2140 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-05-17-at-2.23.09-PM.png\" alt=\"Screen Shot 2015-05-17 at 2.23.09 PM\" width=\"1302\" height=\"432\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-05-17-at-2.23.09-PM.png 1302w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-05-17-at-2.23.09-PM-300x100.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-05-17-at-2.23.09-PM-1024x340.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-05-17-at-2.23.09-PM-500x166.png 500w\" sizes=\"auto, (max-width: 1302px) 100vw, 1302px\" \/><\/a><br \/>\n\u041f\u043e\u0437\u0432\u043e\u043b\u044c\u0442\u0435, \u043d\u0443 \u043f\u0440\u0438\u0447\u0435\u043c \u0437\u0434\u0435\u0441\u044c <strong>Objective-C<\/strong>? \u042f \u043f\u0438\u0448\u0443 \u043d\u0430<strong> Swift<\/strong>! \u0410 \u0432 <strong>Swift<\/strong> \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0430 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0439. \u0420\u0430\u0437\u044a\u044f\u0441\u043d\u0435\u043d\u0438\u0435 \u0434\u0430\u0435\u0442\u0441\u044f \u0432 <strong><a href=\"https:\/\/developer.apple.com\/library\/ios\/releasenotes\/DeveloperTools\/RN-Xcode\/Chapters\/xc6_release_notes.html#\/\/apple_ref\/doc\/uid\/TP40001051-CH4-SW3\">Xcode Release Notes\u00a0<\/a><\/strong>\u0434\u043b\u044f <strong>Xcode 6.3<\/strong> \u0438 <strong>Swift 1.2<\/strong>.<\/p>\n<p>&#171;\u0422\u0435\u043f\u0435\u0440\u044c <strong>Swift<\/strong> \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u0432\u0430\u0435\u0442 \u043d\u0435\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u043e\u0439 (<strong>overloading<\/strong>) \u0438 \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435\u043c (<strong>overriding<\/strong>) \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0442\u0438\u043f\u043e\u0432 <strong>Swift<\/strong> \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c, \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u044b\u043c \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 <strong>Objective<\/strong>&#8212;<strong>C<\/strong> runtime.<\/p>\n<p>\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u0438\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u043d\u0444\u043b\u0438\u043a\u0442 \u043c\u0435\u0436\u0434\u0443 <strong>Objective<\/strong>&#8212;<strong>C<\/strong> <strong>setter<\/strong> \u0434\u043b\u044f \u201c<span style=\"color: #0000ff;\"><strong>property<\/strong><\/span>\u201d \u0432 \u044d\u0442\u043e\u043c \u043a\u043b\u0430\u0441\u0441\u0435 \u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u043c \u201c<span style=\"color: #0000ff;\"><strong>setProperty<\/strong><\/span>\u201d \u0432 \u0435\u0433\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0438&#187;:<\/p>\n<p>[objc]<br \/>\nclass A : NSObject {<br \/>\nvar property: String = &amp;quot;Hello&amp;quot; \/\/Objective-C \u043c\u0435\u0442\u043e\u0434 &#8216;setProperty:\u2019<br \/>\n \/\/ \u0443\u0436\u0435 \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u043e\u0432\u0430\u043d setter \u0434\u043b\u044f \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430&#8217;property\u2019<br \/>\n}<br \/>\nextension A {<br \/>\nfunc setProperty(str: String) { } \/\/ \u043e\u0448\u0438\u0431\u043a\u0430: \u043c\u0435\u0442\u043e\u0434 \u2018setProperty\u2019<br \/>\n   \/\/ \u0437\u0430\u043d\u043e\u0432\u043e \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u0443\u0435\u0442 Objective-C \u043c\u0435\u0442\u043e\u0434 &#8216;setProperty:\u2019<br \/>\n}<br \/>\n[\/objc]<\/p>\n<p>\u0418 \u0432\u0441\u0435-\u0442\u0430\u043a\u0438 \u043d\u0435\u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u043e\u0442\u043a\u0443\u0434\u0430 \u0432\u0437\u044f\u043b\u0441\u044f<strong> Objective-C<\/strong>?<br \/>\n\u0412\u0441\u0435 \u0434\u0435\u043b\u043e \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u043d\u0430\u0448 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u044b \u0441\u043e\u0437\u0434\u0430\u043b\u0438 \u0434\u043b\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430, \u043d\u0430\u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043e\u0442 <strong>Cocoa<\/strong> \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">UIViewCiontroller<\/span><\/strong><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-6.16.22-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2151 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-6.16.22-PM.png\" alt=\"Screen Shot 2015-05-17 at 6.16.22 PM\" width=\"1006\" height=\"238\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-6.16.22-PM.png 1006w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-6.16.22-PM-300x71.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-6.16.22-PM-1000x238.png 1000w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-6.16.22-PM-500x118.png 500w\" sizes=\"auto, (max-width: 1006px) 100vw, 1006px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u041a\u043b\u0430\u0441\u0441\u0430\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u043c\u0438 \u0441 <strong>Objective<\/strong>&#8212;<strong>C<\/strong> \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c\u0438 (\u0442\u0430\u043a\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442<strong><span style=\"color: #0000ff;\">\u00a0<\/span><span style=\"color: #0000ff;\">@objc<\/span><\/strong>\u00a0\u0442\u044d\u0433 \u0438\u043b\u0438 \u043d\u0430\u0441\u043b\u0435\u0434\u0443\u044e\u0442 \u043e\u0442 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 <strong>Cocoa<\/strong> \u043a\u043b\u0430\u0441\u0441\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u00a0\u043a\u0430\u043a\u00a0<strong><span style=\"color: #0000ff;\">NSObject<\/span><\/strong>\u00a0\u0438\u043b\u0438\u00a0<strong><span style=\"color: #0000ff;\">UIView)<\/span><\/strong>, \u0437\u0430\u043f\u0440\u0435\u0449\u0435\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0443 ( <strong>overloading<\/strong>) \u0444\u0443\u043d\u043a\u0446\u0438\u0439, \u0442\u0430\u043a \u043a\u0430\u043a \u043e\u043d\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 runtime \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0443\u00a0\u00a0<strong>Objective<\/strong>&#8212;<strong>C<\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0443 (\u00a0<strong>overloading<\/strong>) \u00a0\u0444\u0443\u043d\u043a\u0446\u0438\u0439.<\/p>\n<p>\u0414\u043b\u044f \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u0438 <strong><a href=\"http:\/\/stackoverflow.com\/questions\/29457720\/compiler-error-method-with-objective-c-selector-conflicts-with-previous-declara\">\u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u044e\u0442<\/a> <\/strong>\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043b\u0430\u0441\u0441\u0430 \u0442\u0438\u043f\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442\u0441\u044f <strong>Objective<\/strong>&#8212;<strong>C<\/strong>, \u0442\u043e\u0433\u0434\u0430 \u044d\u0442\u043e \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0442\u0438\u0442 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0443 \u043a\u043b\u0430\u0441\u0441\u0430 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0443 <strong>Objective<\/strong>&#8212;<strong>C<\/strong> \u043d\u0430 \u0441\u0442\u0430\u0434\u0438\u0438 runtime, \u0430 \u0437\u0430\u0441\u0442\u0430\u0432\u0438\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 <strong>Swift<\/strong>, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c <strong>overloading<\/strong> (\u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0430 \u0441 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438 \u0438\u043c\u0435\u043d\u0430\u043c\u0438) \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0430.<\/p>\n<p>\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u044d\u0442\u043e\u0433\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f &#8212; \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0445\u043e\u0442\u044f \u0431\u044b \u043e\u0434\u0438\u043d \u0438\u0437 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u00a0<strong><span style=\"color: #0000ff;\">performOperation\u00a0<\/span>private<\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-5.50.32-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2149 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-5.50.32-PM.png\" alt=\"Screen Shot 2015-05-17 at 5.50.32 PM\" width=\"1220\" height=\"378\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-5.50.32-PM.png 1220w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-5.50.32-PM-300x93.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-5.50.32-PM-1024x317.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-17-at-5.50.32-PM-500x155.png 500w\" sizes=\"auto, (max-width: 1220px) 100vw, 1220px\" \/><\/a><br \/>\n\u041d\u0430\u0434\u043e \u0441\u043a\u0430\u0437\u0430\u0442\u044c, \u0447\u0442\u043e \u0432 \u041b\u0435\u043a\u0446\u0438\u0438 3 \u043c\u044b \u043f\u0435\u0440\u0435\u043d\u0435\u0441\u0435\u043c \u0432\u0441\u0435 &#171;\u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435&#187; \u043c\u0435\u0442\u043e\u0434\u044b \u0432 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0431\u0430\u0437\u043e\u0432\u044b\u043c \u0438 \u043d\u0438 \u043e\u0442 \u0447\u0435\u0433\u043e \u043d\u0435 \u043d\u0430\u0441\u043b\u0435\u0434\u0443\u0435\u0442. \u0422\u0430\u043c \u043d\u0435\u0442 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u043d\u0438 \u043d\u0430 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0443 (<strong>overloading<\/strong>), \u043d\u0438 \u043d\u0430 \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 (<strong>overriding<\/strong>) \u0444\u0443\u043d\u043a\u0446\u0438\u0439, \u0442\u0430\u043a \u0447\u0442\u043e \u0434\u0430\u043b\u044c\u0448\u0435 \u043c\u044b \u0441 \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439 \u043d\u0435 \u0432\u0441\u0442\u0440\u0435\u0442\u0438\u043c\u0441\u044f.<\/p>\n<p>\u041e\u0434\u043d\u0430\u043a\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043d\u0435 \u0438\u0441\u0447\u0435\u0437\u043b\u0430, \u043e\u043d\u0430 \u0435\u0441\u0442\u044c \u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0432 Swift 2.0.<\/p>\n<p>\u041d\u0430 WWDC 2015 \u043d\u0430 \u0441\u0435\u0441\u0441\u0438\u044f <strong>401<\/strong>\u00a0<strong><a href=\"https:\/\/developer.apple.com\/videos\/wwdc\/2015\/?id=401\">&#171;Swift and Objective-\u0421 Interoperability&#187;<\/a><\/strong>\u00a0(\u0412\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 <em><strong>Swift<\/strong><\/em> \u0438 <strong><em>Objective<\/em><em>-C<\/em><\/strong>) \u00a0\u043d\u0430 6-\u043e\u0439 \u043c\u0438\u043d\u0443\u0442\u0435 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0438\u043c\u0435\u043d\u043d\u043e \u043d\u0430\u0448 \u043f\u0440\u0438\u043c\u0435\u0440 \u0441 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u043e\u043c \u0438 \u0434\u0432\u0443\u043c\u044f \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438 \u0441 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438 \u0438\u043c\u0435\u043d\u0430\u043c\u0438, \u043d\u043e \u00a0\u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u0442\u0438\u043f\u0430\u043c\u0438 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432.<\/p>\n<p><span id=\"t=121.976\" data-timecode=\"121.976\">\u042d\u0442\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0441\u0432\u044f\u0437\u0430 \u0441 \u0432\u043e\u043f\u0440\u043e\u0441\u043e\u043c: &#171;\u041a\u043e\u0433\u0434\u0430\u00a0<strong><em>Swift<\/em><\/strong>\u00a0\u0432\u044b\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043c\u043e\u0439 \u043a\u043b\u0430\u0441\u0441 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u00a0<strong><em>Objective-C<\/em><\/strong>?&#187; \u0422\u043e \u0435\u0441\u0442\u044c, \u043a\u043e\u0433\u0434\u0430 <strong><em>Swift<\/em> <\/strong>\u043d\u0435\u044f\u0432\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0430\u0442\u0440\u0438\u0431\u0443\u0442 <strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong> \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u043c\u043e\u0435\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430? \u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 <strong><em>Swift <\/em><\/strong>\u0434\u0435\u043b\u0430\u0435\u0442 \u044d\u0442\u043e<strong><em>\u00a0<\/em><\/strong>\u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u043c\u0435\u0441\u0442\u043e \u0432\u0430\u0441. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0442\u0432\u0435\u0442\u0430 \u043d\u0430 \u044d\u0442\u043e\u0442 \u0432\u043e\u043f\u0440\u043e\u0441 \u044f \u043f\u0435\u0440\u0435\u0432\u043e\u0436\u0443 \u043e\u0442\u0440\u044b\u0432\u043e\u043a \u0438\u0437\u00a0\u00a0WWDC 2015 \u0441\u0435\u0441\u0441\u0438\u0438\u00a0<strong>401<\/strong>, \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0443\u043a\u0430\u0437\u0430\u043d\u0430 \u0432\u044b\u0448\u0435.<\/span><\/p>\n<p>. . . . . . . . . . .<\/p>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u0440\u043e\u0439\u0434\u0435\u043c\u0441\u044f \u043f\u043e \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f\u00a0\u00a0<em><strong>Swift<\/strong><\/em> \u043a\u043e\u0434\u0430 \u00a0<em><strong>Objective<\/strong><strong>-\u0421<\/strong><\/em>, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f<em><strong>\u00a0<\/strong><\/em><span style=\"text-decoration: underline;\">\u043f\u043e\u00a0\u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e<\/span>.<\/p>\n<p>\u0415\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u043a\u043b\u0430\u0441\u0441 , \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f <span id=\"t=129.925\" data-timecode=\"129.925\"><strong>subclass <span style=\"color: #0000ff;\">NSObject<\/span><\/strong>,<\/span>\u00a0\u0442\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e<span id=\"t=132.976\" data-timecode=\"132.976\">, \u0432\u0441\u0435 \u0435\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u044b \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043d\u0435\u044f\u0432\u043d\u043e \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u043e\u043c \u00a0<em><strong>Swift\u00a0<\/strong><\/em>\u0434\u043b\u044f<em><strong>\u00a0<\/strong><\/em>\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432<em><strong>\u00a0<\/strong><\/em><\/span><span id=\"t=134.406\" data-timecode=\"134.406\"><em><strong>Objective-C<\/strong><\/em>.<\/span><\/p>\n<p><span id=\"t=149.356\" data-timecode=\"149.356\">\u0415\u0441\u043b\u0438 \u0432\u044b \u043f\u043e\u043c\u0435\u0442\u0438\u0442\u0435 \u043c\u0435\u0442\u043e\u0434 \u043a\u0430\u043a <strong>private<\/strong>,<\/span>\u00a0\u0447\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u044d\u0442\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430 \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u0445 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u0444\u0430\u0439\u043b\u0430<span id=\"t=153.106\" data-timecode=\"153.106\"><\/span><span id=\"t=156.246\" data-timecode=\"156.246\">, \u0442\u043e <strong><em>Swift<\/em><\/strong> \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u044d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 <\/span><span id=\"t=159.286\" data-timecode=\"159.286\"><strong><em>Objective-C<\/em><\/strong> \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e.<\/span><\/p>\n<p><span id=\"t=162.076\" data-timecode=\"162.076\">\u0415\u0441\u043b\u0438 \u0432\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u0447\u0442\u043e-\u0442\u043e \u043e\u0447\u0435\u043d\u044c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f <\/span><span id=\"t=164.546\" data-timecode=\"164.546\"><strong><em>Swift<\/em><\/strong>,<\/span>\u00a0\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043d\u0435\u043e\u0431\u044b\u0447\u043d\u044b\u0439 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u044b\u0439 \u0442\u0438\u043f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0435\u043b\u044c\u0437\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0432\u00a0<span id=\"t=170.206\" data-timecode=\"170.206\"><strong><em>Objective-C<\/em><\/strong>, \u0442\u043e\u00a0<\/span><span id=\"t=172.806\" data-timecode=\"172.806\"><strong><em>Swift<\/em><\/strong> \u0434\u0430\u0436\u0435 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u043f\u044b\u0442\u0430\u0442\u044c\u0441\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u044d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 <strong><em>Objective-C<\/em><\/strong>.<\/span><\/p>\n<p><span id=\"t=175.956\" data-timecode=\"175.956\">\u041d\u0430\u043a\u043e\u043d\u0435\u0446, \u0435\u0441\u043b\u0438 \u0432\u044b \u043d\u0435 <strong>subclass <span style=\"color: #0000ff;\">NSObject<\/span><\/strong><\/span>, \u043d\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442\u0435\u00a0<span id=\"t=180.546\" data-timecode=\"180.546\"><strong><em>Objective-C<\/em> <\/strong>\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b,<\/span>\u00a0\u0442\u043e \u0432\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u043e\u0447\u0435\u043d\u044c \u0432\u043d\u0438\u043c\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u043e\u0442\u043d\u0435\u0441\u0442\u0438\u0441\u044c \u043a \u0442\u043e\u043c\u0443, \u0447\u0442\u043e\u0431\u044b \u0432\u0430\u0448\u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u044f\u043b\u0438 \u0432\u0441\u0435\u043c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430<span id=\"t=188.146\" data-timecode=\"188.146\">. \u0418 \u0432<\/span><span id=\"t=189.266\" data-timecode=\"189.266\">\u00a0Xcode 7 \u0432\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 \u043e \u0442\u043e\u043c, \u0447\u0442\u043e \u044d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f <strong>non-objc<\/strong> \u0438 \u043d\u0435 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u044f\u0435\u0442 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c <span style=\"color: #0000ff;\"><strong>@objc<\/strong><\/span> \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430.<\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-5.33.17-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2340 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-5.33.17-PM.png\" alt=\"Screen Shot 2015-06-21 at 5.33.17 PM\" width=\"2408\" height=\"1050\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-5.33.17-PM.png 2408w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-5.33.17-PM-300x131.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-5.33.17-PM-1024x447.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-5.33.17-PM-500x218.png 500w\" sizes=\"auto, (max-width: 2408px) 100vw, 2408px\" \/><\/a><br \/>\n\u0421\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0435 \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u0441\u043b\u0443\u0447\u0430\u044e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e.<br \/>\n<span id=\"t=204.756\" data-timecode=\"204.756\">\u0427\u0442\u043e \u043f\u0440\u043e\u0438\u0437\u043e\u0439\u0434\u0435\u0442, \u0435\u0441\u043b\u0438 \u0432\u044b \u0437\u0430\u0445\u043e\u0442\u0438\u0442\u0435 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f\u00a0\u00a0<em><strong>Swift<\/strong><\/em>\u00a0\u043a\u043e\u0434\u0430 \u00a0<em><strong>Objective<\/strong><strong>-\u0421\u00a0<\/strong><\/em><span style=\"text-decoration: underline;\">\u043f\u043e\u00a0\u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e<\/span><\/span><span id=\"t=206.536\" data-timecode=\"206.536\">?<\/span><br \/>\n<span id=\"t=262.036\" data-timecode=\"262.036\">\u0415\u0441\u043b\u0438 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u0432\u044b\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043a\u0430\u043a\u043e\u0439-\u0442\u043e \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u0438\u043b\u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e <\/span><span id=\"t=264.996\" data-timecode=\"264.996\"><strong><em>Objective-C<\/em><\/strong>,<\/span>\u00a0\u0432\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0442\u0430\u0440\u044b\u0439 \u0434\u043e\u0431\u0440\u044b\u0439 \u0430\u0442\u0440\u0438\u0431\u0443\u0442<strong><span style=\"color: #0000ff;\"> @<\/span><\/strong><span id=\"t=271.516\" data-timecode=\"271.516\"><strong><span style=\"color: #0000ff;\">objc<\/span> <\/strong>\u0431\u0435\u0437 \u043a\u0430\u043a\u043e\u0439-\u043b\u0438\u0431\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0441\u0435\u043c\u0430\u043d\u0442\u0438\u043a\u0438<\/span><span id=\"t=278.176\" data-timecode=\"278.176\">.<\/span><br \/>\n<span id=\"t=280.066\" data-timecode=\"280.066\">\u0412\u0441\u0435 \u044d\u0442\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0432 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0435 &#171;<\/span><span id=\"t=303.246\" data-timecode=\"303.246\">Using Swift with Cocoa<\/span> <span id=\"t=306.766\" data-timecode=\"306.766\">and Objective-C&#187;, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u043d\u0430 <\/span><span id=\"t=309.656\" data-timecode=\"309.656\"><strong><a href=\"http:\/\/developer.apple.com\/Swift\">developer.apple.com\/Swift<\/a><\/strong>.<\/span><\/p>\n<p><span id=\"t=313.736\" data-timecode=\"313.736\">\u0418\u0442\u0430\u043a, \u043c\u044b \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u043b\u0438, \u043a\u0430\u043a \u0432\u0435\u0434\u0435\u0442 \u0441\u0435\u0431\u044f <strong><em>Swift<\/em><\/strong> \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0440\u0438 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u043a\u043b\u0430\u0441\u0441\u043e\u0432, \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 <span id=\"t=262.036\" data-timecode=\"262.036\">\u00a0<\/span><span id=\"t=264.996\" data-timecode=\"264.996\"><strong><em>Objective-C<\/em><\/strong>,<\/span>\u00a0 \u043c\u044b \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u043b\u0438, \u0447\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c, \u0447\u0442\u043e\u0431\u044b \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0438 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0435\u0449\u0438 \u0431\u043e\u043b\u0435\u0435 <\/span><span id=\"t=319.456\" data-timecode=\"319.456\"><em><strong>ObjC<\/strong><\/em>.<\/span><br \/>\n<span id=\"t=321.306\" data-timecode=\"321.306\">\u0410 \u043a\u0430\u043a \u043d\u0430\u043c \u0431\u044b\u0442\u044c, \u0435\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u0443\u044e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443? \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">\u0421<\/span><\/strong><\/span><span id=\"t=325.006\" data-timecode=\"325.006\"><strong><span style=\"color: #0000ff;\">alculator\u0421ontroller<\/span><\/strong>.<\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.11.33-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2341 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.11.33-PM.png\" alt=\"Screen Shot 2015-06-21 at 10.11.33 PM\" width=\"2138\" height=\"1250\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.11.33-PM.png 2138w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.11.33-PM-300x175.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.11.33-PM-1024x599.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.11.33-PM-500x292.png 500w\" sizes=\"auto, (max-width: 2138px) 100vw, 2138px\" \/><\/a><\/p>\n<p><span id=\"t=328.086\" data-timecode=\"328.086\">\u0423 \u043d\u0435\u0433\u043e \u0434\u0432\u0430 \u043c\u0435\u0442\u043e\u0434\u0430 \u0441 \u0438\u043c\u0435\u043d\u0435\u043c <strong><span style=\"color: #0000ff;\">performOperation<\/span><\/strong>.<\/span>\u00a0\u041e\u0434\u0438\u043d \u0438\u0437 \u044d\u0442\u0438\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0431\u0435\u0440\u0435\u0442 \u043e\u0434\u0438\u043d \u0442\u0438\u043f \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f, \u0434\u0440\u0443\u0433\u043e\u0439 \u043c\u0435\u0442\u043e\u0434 &#8212; \u0434\u0440\u0443\u0433\u043e\u0439 \u0442\u0438\u043f \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f<span id=\"t=333.026\" data-timecode=\"333.026\">. \u042d\u0442\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e.\u00a0<\/span><span id=\"t=335.626\" data-timecode=\"335.626\"><\/span><span id=\"t=336.566\" data-timecode=\"336.566\"><strong><em>Swift<\/em><\/strong> \u0432 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0442\u044c \u044d\u0442\u0438 \u043c\u0435\u0442\u043e\u0434\u044b, \u043f\u0440\u043e\u0441\u0442\u043e \u043e\u0441\u043d\u043e\u0432\u044b\u0432\u0430\u044f\u0441\u044c \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0442\u0438\u043f\u0430\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430<\/span><span id=\"t=339.256\" data-timecode=\"339.256\">. \u041d\u043e\u00a0<\/span><span id=\"t=341.086\" data-timecode=\"341.086\"><strong><em>Objective-C<\/em> <\/strong>\u0442\u0430\u043a \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442. \u0412<strong><em>\u00a0<\/em><\/strong><\/span><span id=\"t=342.926\" data-timecode=\"342.926\"><strong><em>Objective-C<\/em><\/strong> \u043c\u0435\u0442\u043e\u0434\u044b \u0440\u0430\u0437\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e \u0438\u043c\u0435\u043d\u0430\u043c, \u043d\u0435 \u043f\u043e \u0442\u0438\u043f\u0430\u043c<\/span><span id=\"t=345.426\" data-timecode=\"345.426\">.<\/span><br \/>\n<span id=\"t=348.636\" data-timecode=\"348.636\">\u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 <strong><em>Swift<\/em><\/strong> \u0437\u043d\u0430\u0435\u0442, \u0447\u0442\u043e \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043e\u0448\u0438\u0431\u043a\u0430 \u0438 \u043e\u043d \u0434\u0430\u0435\u0442 \u0432\u0430\u043c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0435<\/span><span id=\"t=351.306\" data-timecode=\"351.306\">.<\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.53.57-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2342 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.53.57-PM.png\" alt=\"Screen Shot 2015-06-21 at 10.53.57 PM\" width=\"2078\" height=\"1306\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.53.57-PM.png 2078w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.53.57-PM-300x189.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.53.57-PM-1024x644.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-10.53.57-PM-477x300.png 477w\" sizes=\"auto, (max-width: 2078px) 100vw, 2078px\" \/><\/a><br \/>\n<span id=\"t=354.006\" data-timecode=\"354.006\">\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0432\u044b\u043d\u0443\u0436\u0434\u0435\u043d\u044b \u0432\u0441\u0435\u0433\u0434\u0430 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u044d\u0442\u0443 \u043e\u0448\u0438\u0431\u043a\u0443, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, <strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong> \u0430\u0442\u0440\u0438\u0431\u0443\u0442 \u0432 \u0444\u043e\u0440\u043c\u0435 \u0441\u0435\u043b\u0435\u043a\u0442\u043e\u0440\u0430<\/span><span id=\"t=355.046\" data-timecode=\"355.046\">.<\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.02.12-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2343 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.02.12-PM.png\" alt=\"Screen Shot 2015-06-21 at 11.02.12 PM\" width=\"2076\" height=\"1244\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.02.12-PM.png 2076w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.02.12-PM-300x180.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.02.12-PM-1024x614.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.02.12-PM-500x300.png 500w\" sizes=\"auto, (max-width: 2076px) 100vw, 2076px\" \/><\/a><br \/>\n<span id=\"t=359.476\" data-timecode=\"359.476\">\u041d\u0430\u043f\u0438\u0441\u0430\u0432 \u044d\u0442\u043e\u0442 \u043a\u043e\u0434, \u044f \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043b \u043d\u0438\u0436\u043d\u0438\u0439 \u043c\u0435\u0442\u043e\u0434 \u0432 <\/span><span id=\"t=363.006\" data-timecode=\"363.006\"><strong><span style=\"color: #0000ff;\">performBinaryOperation<\/span><\/strong>,<\/span>\u00a0\u0435\u0441\u043b\u0438 \u044f \u0431\u0443\u0434\u0443 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u0432<strong><em>\u00a0<\/em><\/strong><span id=\"t=365.866\" data-timecode=\"365.866\"><strong><em>Objective-C<\/em><\/strong>. \u0412\u0435\u0440\u0445\u043d\u0438\u0439 \u043c\u0435\u0442\u043e\u0434 \u0432\u0441\u0435 \u0435\u0449\u0435 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f <span style=\"color: #0000ff;\"><strong>performOperation<\/strong><\/span>.<\/span><\/p>\n<p><em><strong>\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0435<\/strong><\/em>. \u041c\u044b \u0437\u043d\u0430\u0435\u043c, \u0447\u0442\u043e \u044d\u0442\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u043c\u043e\u0436\u043d\u043e \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0449\u0435, \u0441\u0434\u0435\u043b\u0430\u0432 \u043e\u0434\u0438\u043d \u0438\u043b\u0438 \u043e\u0431\u0430 \u043c\u0435\u0442\u043e\u0434\u0430 <strong>private<\/strong>, \u0438 \u0442\u0435\u043c \u0441\u0430\u043c\u044b\u043c \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0442\u0438\u0432 \u043d\u0435\u044f\u0432\u043d\u043e\u0435 \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u0430\u00a0<span id=\"t=372.236\" data-timecode=\"372.236\"><strong><span style=\"color: #0000ff;\">@<\/span><\/strong><\/span><span id=\"t=376.876\" data-timecode=\"376.876\"><strong><span style=\"color: #0000ff;\">objc\u00a0<\/span><\/strong><\/span> \u0443 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430.<\/p>\n<p>\u0412 <span id=\"t=372.236\" data-timecode=\"372.236\"><strong>Xcode 7<\/strong> \u043c\u044b \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0438 \u0434\u0440\u0443\u0433\u0443\u044e \u043e\u043f\u0446\u0438\u044e \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0430\u0442\u0440\u0438\u0431\u0443\u0442 <strong><span style=\"color: #0000ff;\">@<\/span><\/strong><\/span><span id=\"t=376.876\" data-timecode=\"376.876\"><strong><span style=\"color: #0000ff;\">nonobjc<\/span><\/strong> .<\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.08.51-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2344 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.08.51-PM.png\" alt=\"Screen Shot 2015-06-21 at 11.08.51 PM\" width=\"2072\" height=\"1258\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.08.51-PM.png 2072w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.08.51-PM-300x182.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.08.51-PM-1024x622.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-06-21-at-11.08.51-PM-494x300.png 494w\" sizes=\"auto, (max-width: 2072px) 100vw, 2072px\" \/><\/a><br \/>\n<span id=\"t=379.176\" data-timecode=\"379.176\">\u041a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u043e\u0436\u0438\u0434\u0430\u0442\u044c \u0438\u0437 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f, \u0431\u0435\u0440\u0435\u0442\u0441\u044f \u0442\u043e, \u0447\u0442\u043e \u0432 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f <\/span><span id=\"t=380.606\" data-timecode=\"380.606\"><em><strong>Objecti<\/strong><strong>ve-C<\/strong><\/em><\/span>\u00a0\u0438 \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u044d\u0442\u043e \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u00a0<span id=\"t=379.176\" data-timecode=\"379.176\">\u00a0<\/span><em><strong><span id=\"t=380.606\" data-timecode=\"380.606\">Objective-C<\/span><\/strong><\/em><span id=\"t=383.826\" data-timecode=\"383.826\">.<\/span><br \/>\n<span id=\"t=387.036\" data-timecode=\"387.036\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c \u0430\u0442\u0440\u0438\u0431\u0443\u0442 <span id=\"t=372.236\" data-timecode=\"372.236\"><strong><span style=\"color: #0000ff;\">@<\/span><\/strong><\/span><span id=\"t=376.876\" data-timecode=\"376.876\"><strong><span style=\"color: #0000ff;\">nonobjc\u00a0<\/span><\/strong><\/span>\u043a \u043b\u044e\u0431\u043e\u043c\u0443 \u043c\u0435\u0442\u043e\u0434\u0443, \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0443, \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u0443 \u0438\u043b\u0438 \u043f\u043e\u0434\u043f\u0438\u0441\u043a\u0435 (<\/span><span id=\"t=390.086\" data-timecode=\"390.086\">subscript).<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0415\u0441\u043b\u0438 \u0432\u044b \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0430\u0435\u0442\u0435 \u043a \u0438\u0437\u0443\u0447\u0435\u043d\u0438\u044e \u00a0\u041b\u0435\u043a\u0446\u0438\u0438 2 (1-\u0430\u044f \u0447\u0430\u0441\u0442\u044c, 2-\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u0438 3-\u044f \u0447\u0430\u0441\u0442\u044c) \u0441 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u043c\u0438 Swift 1.2 \u00a0\u0438 Xcode 6.3, \u0430 \u043d\u0435\u00a0Swift 1.1 \u00a0\u0438 Xcode 6.2, \u043a\u0430\u043a \u0443 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440\u0430 \u041f\u043e\u043b\u0430 \u0425\u044d\u0433\u0435\u0440\u0442\u0438, \u0442\u043e \u0431\u043b\u0438\u0436\u0435 \u043a \u043a\u043e\u043d\u0446\u0443 \u043b\u0435\u043a\u0446\u0438\u0438 (\u043a\u043e\u043d\u0435\u0446 2-\u043e\u0439 \u0447\u0430\u0441\u0442\u0438) &hellip; <a href=\"https:\/\/bestkora.com\/IosDeveloper\/dopolnenie-k-lektsiya-2-osobennosti-koda-calculator-v-swift-1-2-ili-kak-ne-zastryat-na-etom-meste\/\">\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":[22,9,23,14],"tags":[33,31,25],"class_list":["post-2144","post","type-post","status-publish","format-standard","hentry","category-ios-8","category-lecture","category-stanford-cs-193p-ios-8","category-swift","tag-ios-8","tag-swift","tag-lektsiya-ios-8"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u0430\u043a \u0437\u0430\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c Swift \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0432 Swift 1.2 \u0434\u043b\u044f Objective-C 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