{"id":2177,"date":"2015-05-22T17:24:28","date_gmt":"2015-05-22T17:24:28","guid":{"rendered":"http:\/\/bestkora.com\/IosDeveloper\/?p=2177"},"modified":"2016-01-12T16:41:25","modified_gmt":"2016-01-12T16:41:25","slug":"elegantnyj-graficheskij-kalkulyator-bez-delegirovaniya","status":"publish","type":"post","link":"https:\/\/bestkora.com\/IosDeveloper\/elegantnyj-graficheskij-kalkulyator-bez-delegirovaniya\/","title":{"rendered":"\u042d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u0439 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0431\u0435\u0437 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f."},"content":{"rendered":"<p>\u0415\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u0432 \u043a\u043e\u0434\u0435 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 (<b>closure<\/b>), \u043e\u043d\u043e \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043b\u044e\u0431\u044b\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u043d\u0443\u0442\u0440\u0438 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f. \u042d\u0442\u043e \u043e\u0447\u0435\u043d\u044c \u043a\u0440\u0443\u0442\u0430\u044f \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0439. \u041f\u043e\u043b\u044c\u0437\u0443\u044f\u0441\u044c \u044d\u0442\u0438\u043c\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u043d\u043e\u0433\u0434\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u044d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u0439 \u043a\u043e\u0434. \u0418\u043d\u043e\u0433\u0434\u0430 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043b\u0443\u0447\u0448\u0435\u0439 \u0437\u0430\u043c\u0435\u043d\u043e\u0439 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e.<\/p>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0442\u0430\u043a\u043e\u0439 \u044d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u0439 \u043a\u043e\u0434 \u0434\u043b\u044f \u043d\u0430\u0448\u0435\u0433\u043e \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430. \u0412\u043e\u0437\u044c\u043c\u0435\u043c \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0441\u043d\u043e\u0432\u044b \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u044b \u0432\u0441\u0435 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0443\u043d\u043a\u0442\u044b \u0417\u0430\u0434\u0430\u043d\u0438\u044f 3. \u0412 \u043f\u043e\u0441\u0442\u0435 <strong><a href=\"https:\/\/bestkora.com\/IosDeveloper\/zadanie-3-reshenie-nachalo-obyazatelnye-punkty-1-4\/\">&#171;\u0417\u0430\u0434\u0430\u043d\u0438\u0435\u00a03. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 -\u041e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u043d\u0438\u044f&#187;<\/a>\u00a0<\/strong>\u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043d\u043e, \u043a\u0430\u043a \u043f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a \u0432 \u0413\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f.<\/p>\n<p><!--more--><br \/>\n\u042f \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u043d\u0430\u043f\u043e\u043c\u043d\u044e \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044e. \u0423 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c MVC &#8212; \u0413\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440, \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u00a0\u043a\u043b\u0430\u0441\u0441\u043e\u043c\u00a0<strong><span style=\"color: #0000ff;\">GraphViewController<\/span><\/strong>, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u0434\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 <strong><span style=\"color: #0000ff;\">program<\/span><\/strong>\u00a0\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u043a\u0430 ( \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u044c<strong> M<\/strong>odel \u00a0MVC).<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-26-at-11.18.46-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2221 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-26-at-11.18.46-AM.png\" alt=\"Screen Shot 2015-05-26 at 11.18.46 AM\" width=\"1118\" height=\"244\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-26-at-11.18.46-AM.png 1118w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-26-at-11.18.46-AM-300x65.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-26-at-11.18.46-AM-1024x223.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-26-at-11.18.46-AM-500x109.png 500w\" sizes=\"auto, (max-width: 1118px) 100vw, 1118px\" \/><\/a><\/p>\n<p>\u0427\u0430\u0441\u0442\u044c <strong>V<\/strong>iew \u044d\u0442\u043e\u0433\u043e MVC \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043e\u0431\u044b\u0447\u043d\u044b\u0439 <strong><span style=\"color: #0000ff;\">UIView<\/span><\/strong>, \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u043a\u043b\u0430\u0441\u0441\u043e\u043c <strong><span style=\"color: #0000ff;\">GraphView<\/span><\/strong>.<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.10.19-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2192 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.10.19-PM.png\" alt=\"Screen Shot 2015-05-25 at 2.10.19 PM\" width=\"1952\" height=\"1342\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.10.19-PM.png 1952w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.10.19-PM-300x206.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.10.19-PM-1024x704.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.10.19-PM-436x300.png 436w\" sizes=\"auto, (max-width: 1952px) 100vw, 1952px\" \/><\/a><br \/>\n\u041f\u0435\u0440\u0435\u0434 \u043d\u0430\u043c\u0438 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0430 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u043e\u0431\u043e\u0431\u0449\u0435\u043d\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">GraphView<\/span><\/strong>, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 <strong>y = f(x)<\/strong>. \u042d\u0442\u043e\u0442 \u043a\u043b\u0430\u0441\u0441 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0434\u043e\u043b\u0436\u0435\u043d \u0437\u043d\u0430\u0442\u044c \u043e \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435, \u043e\u043d \u0434\u043e\u043b\u0436\u0435\u043d \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e \u0433\u0440\u0430\u0444\u0438\u043a\u0435 \u0432 \u0432\u0438\u0434\u0435 \u043e\u0431\u0449\u0435\u0439 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 <strong>y = f(x)<\/strong> \u0438 \u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445. \u0421 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b, \u0432 \u043d\u0430\u0448\u0435\u043c <strong>C<\/strong>ontroller, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u043c\u00a0\u043a\u043b\u0430\u0441\u0441\u043e\u043c\u00a0<strong><span style=\"color: #0000ff;\">GraphViewController,<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\"> \u043a\u0430\u043a \u0440\u0430\u0437 \u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442\u0441\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e \u0433\u0440\u0430\u0444\u0438\u043a\u0435\u00a0<strong>y = f(x), <\/strong>\u043d\u043e \u043d\u0435 \u0432 \u044f\u0432\u043d\u043e\u043c \u0432\u0438\u0434\u0435, \u0430 \u0432\u00a0<\/span><\/span><span style=\"color: #000000;\">\u0432\u0438\u0434\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b\u00a0<strong><span style=\"color: #0000ff;\">program<\/span><\/strong>\u00a0, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u043e\u043c <strong><span style=\"color: #0000ff;\">brain<\/span>\u00a0<\/strong>\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430\u00a0<\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.37.54-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2193 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.37.54-PM.png\" alt=\"Screen Shot 2015-05-25 at 2.37.54 PM\" width=\"978\" height=\"58\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.37.54-PM.png 978w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.37.54-PM-300x18.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.37.54-PM-500x30.png 500w\" sizes=\"auto, (max-width: 978px) 100vw, 978px\" \/><\/a><br \/>\n\u0418\u043c\u0435\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">x<\/span> <\/strong>\u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u044c <strong><span style=\"color: #0000ff;\">y<\/span> <\/strong>c \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430 <strong><span style=\"color: #0000ff;\">brain<\/span><\/strong>.<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.41.54-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2194 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.41.54-PM.png\" alt=\"Screen Shot 2015-05-25 at 2.41.54 PM\" width=\"922\" height=\"96\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.41.54-PM.png 922w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.41.54-PM-300x31.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-2.41.54-PM-500x52.png 500w\" sizes=\"auto, (max-width: 922px) 100vw, 922px\" \/><\/a><br \/>\n\u041a\u0430\u043a \u0441\u0432\u044f\u0437\u0430\u0442\u044c \u044d\u0442\u0438 \u0434\u0432\u0430 \u043a\u043b\u0430\u0441\u0441\u0430 &#8212;\u00a0<strong><span style=\"color: #0000ff;\">GraphView <\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u0438\u00a0<\/span><\/span><strong><span style=\"color: #0000ff;\">GraphViewController<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">, \u043a\u043e\u0433\u0434\u0430 \u0443 \u043e\u0434\u043d\u043e \u0438\u0437\u00a0<\/span><\/span><span style=\"color: #000000;\">\u043d\u0438\u0445 \u0435\u0441\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0443\u0436\u0434\u0430\u0435\u0442\u0441\u044f \u0434\u0440\u0443\u0433\u043e\u0439? \u0422\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0439 \u0438 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e \u043a\u0430\u043a \u0432 <strong>Objective-C<\/strong>, \u0442\u0430\u043a \u0438 \u0432<strong> Swift<\/strong> &#8212;\u00a0\u044d\u0442\u043e \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435. \u041e\u0431 \u044d\u0442\u043e\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u0435 \u00a0\u0434\u043b\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u043d\u0430 <strong>Swift<\/strong> \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043d\u043e \u0432 \u00a0<\/span>\u043f\u043e\u0441\u0442\u0435\u00a0<strong><a href=\"https:\/\/bestkora.com\/IosDeveloper\/zadanie-3-reshenie-nachalo-obyazatelnye-punkty-1-4\/\">&#171;\u0417\u0430\u0434\u0430\u043d\u0438\u0435\u00a03. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 -\u041e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u043d\u0438\u044f&#187;<\/a>. <\/strong>\u041d\u043e\u00a0\u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u00a0\u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f 6 \u0448\u0430\u0433\u043e\u0432, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0438\u0445 \u0438\u0437 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0434\u0435\u043b\u0435\u0433\u0430\u0442\u0430, \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0434\u0435\u043b\u0435\u0433\u0430\u0442\u0430 \u0438 \u0442.\u0434.<br \/>\n\u0412 <strong>Swift<\/strong> \u0444\u0443\u043d\u043a\u0446\u0438\u0438 (\u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f) \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0433\u0440\u0430\u0436\u0434\u0430\u043d\u0430\u043c\u0438 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0441\u043e\u0440\u0442\u0430, \u0442\u043e \u0435\u0441\u0442\u044c \u043c\u043e\u0433\u0443\u0442 \u043e\u0431\u044a\u044f\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b. \u0410 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u044f \u0432\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e\u00a0\u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f (<b>closures<\/b>) \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u044e\u0442 \u043b\u044e\u0431\u044b\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u043d\u0443\u0442\u0440\u0438 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f, \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u0442\u044c \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0434\u0432\u0443\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432, \u0432 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u00a0<strong><span style=\"color: #0000ff;\">GraphView\u00a0<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u0438\u00a0<\/span><\/span><strong><span style=\"color: #0000ff;\">GraphViewController<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">, \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f.<\/span><\/span><br \/>\n\u041c\u044b \u0443\u0431\u0438\u0440\u0430\u0435\u043c \u0438\u0437 \u043a\u043e\u0434\u0430, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u043e\u0441\u043b\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u0445 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0443\u043d\u043a\u0442\u043e\u0432 \u0417\u0430\u0434\u0430\u043d\u0438\u044f 3, \u0432\u0441\u0435, \u0447\u0442\u043e \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435, \u0438 \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u043d\u043e\u0432\u044b\u0439 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441\u00a0\u00a0\u0441 \u0438\u043c\u0435\u043d\u0435\u043c <strong><span style=\"color: #0000ff;\">Grapher<\/span><\/strong>.<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.35.46-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2180 \" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.35.46-PM.png\" alt=\"Screen Shot 2015-05-22 at 8.35.46 PM\" width=\"541\" height=\"81\" \/><\/a><br \/>\n\u0414\u0430\u043b\u0435\u0435 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c \u0438\u0434\u0435\u044e, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0443\u044e \u0432 <strong><a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-9-cs193p-winter-2015-scroll-view-i-mnogopotochnost-multithreading\/\">\u041b\u0435\u043a\u0446\u0438\u0438 9<\/a>.<\/strong><br \/>\n\u0412 \u043a\u043b\u0430\u0441\u0441\u0435 <span style=\"color: #0000ff;\"><b>Grapher<\/b><\/span> \u0435\u0441\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0441 \u0438\u043c\u0435\u043d\u0435\u043c <span style=\"color: #0000ff;\"><b>yForX<\/b><\/span>, \u0442\u0438\u043f \u043a\u043e\u0442\u043e\u0440\u043e\u0439 &#8212; \u0444\u0443\u043d\u043a\u0446\u0438\u044f. \u0424\u0443\u043d\u043a\u0446\u0438\u044f \u0431\u0435\u0440\u0435\u0442 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 <span style=\"color: #0000ff;\"><b>x<\/b><\/span> \u0442\u0438\u043f\u0430 <span style=\"color: #0000ff;\"><b>Double<\/b><\/span> \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 <b><span style=\"color: #0000ff;\">Double?\u00a0<\/span><\/b>\u042d\u0442\u043e <b>Optional<\/b> \u0444\u0443\u043d\u043a\u0446\u0438\u044f &#8212; \u0432\u044b \u043d\u0435 \u043e\u0431\u044f\u0437\u0430\u043d\u044b \u0437\u0430\u0434\u0430\u0432\u0430\u0442\u044c \u044d\u0442\u0443 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0432 \u0441\u0432\u043e\u0435\u043c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0435 \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">Grapher<\/span><\/strong>. \u041f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c \u043d\u0435\u0447\u0442\u043e \u043f\u043e\u0445\u043e\u0436\u0435\u0435 \u043d\u0430 <strong>optional<\/strong> \u043c\u0435\u0442\u043e\u0434 \u0432 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0435 \u0441\u0442\u0430\u0440\u043e\u0433\u043e <strong>Objective-C<\/strong> \u0441\u0442\u0438\u043b\u044f. \u0422\u0430\u043a\u0438\u0435 <strong>optional\u00a0<\/strong>\u043c\u0435\u0442\u043e\u0434\u044b \u043d\u0435 \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0432 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u0445 \u043d\u043e\u0432\u043e\u0433\u043e <strong>Swift<\/strong> \u0441\u0442\u0438\u043b\u044f.<br \/>\n\u0412\u0435\u0440\u043d\u0435\u043c\u0441\u044f \u0432 \u043a\u043b\u0430\u0441\u0441 <span style=\"color: #0000ff;\"><strong>GrapView<\/strong><\/span> \u0438 \u0441\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 <strong><span style=\"color: #0000ff;\">grapher<\/span><\/strong>\u00a0\u043d\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430\u00a0<strong><span style=\"color: #0000ff;\">Grapher<\/span><\/strong>.<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.46.46-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2182 \" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.46.46-PM.png\" alt=\"Screen Shot 2015-05-22 at 8.46.46 PM\" width=\"550\" height=\"51\" \/><\/a><br \/>\n\u042d\u0442\u043e <strong>public<\/strong> \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u0438 \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u0438\u0437\u0432\u043d\u0435, \u0442\u043e \u0435\u0441\u0442\u044c \u0438\u0437 <strong><span style=\"color: #0000ff;\">GraphViewContrller.<\/span><\/strong><\/p>\n<p>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f\u00a0\u042d\u0442\u043e\u00a0<strong>public<\/strong>\u00a0\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e\u00a0\u00a0<span style=\"color: #0000ff;\"><strong>grapher<\/strong><\/span>\u00a0\u0438 \u0435\u0433\u043e <strong>Optional<\/strong> \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e <strong><span style=\"color: #0000ff;\">yForX<\/span><\/strong>, \u043d\u0430\u0440\u0438\u0441\u0443\u0435\u043c \u0433\u0440\u0430\u0444\u0438\u043a \u0432 \u043a\u043b\u0430\u0441\u0441\u0435\u00a0<span style=\"color: #0000ff;\"><strong>GrapView<\/strong><\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.43.24-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2181 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.43.24-PM.png\" alt=\"Screen Shot 2015-05-22 at 8.43.24 PM\" width=\"1064\" height=\"432\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.43.24-PM.png 1064w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.43.24-PM-300x122.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.43.24-PM-1024x416.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-8.43.24-PM-500x203.png 500w\" sizes=\"auto, (max-width: 1064px) 100vw, 1064px\" \/><\/a><br \/>\n\u0417\u0430\u043c\u0435\u0442\u044c\u0442\u0435, \u0447\u0442\u043e \u0434\u043b\u044f \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u0446\u0435\u043f\u043e\u0447\u043a\u0438 <strong>Optionals<\/strong> \u0432 \u0441\u043b\u0443\u0447\u0430\u0435, \u043a\u043e\u0433\u0434\u0430 \u0441\u0430\u043c\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f <strong>Optional<\/strong>, \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u043d\u0443\u0436\u043d\u043e \u0432\u0437\u044f\u0442\u044c \u0432 \u043a\u0440\u0443\u0433\u043b\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438, \u043f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0437\u043d\u0430\u043a <strong><span style=\"color: #0000ff;\">?<\/span> <\/strong>\u0432\u043e\u043f\u0440\u043e\u0441\u0430, \u0430 \u0437\u0430\u0442\u0435\u043c \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0435\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u044b.<br \/>\n\u0412 <strong><span style=\"color: #0000ff;\">GraphViewController<\/span><\/strong>\u00a0\u0432 \u041d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u0435 <strong><span style=\"color: #0000ff;\">didSet\u00a0{ }<\/span><\/strong> \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430 <strong><span style=\"color: #0000ff;\">GraphVi<\/span><span style=\"color: #0000ff;\">ew<\/span><span style=\"color: #0000ff;\">!<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\"> , \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f <span style=\"color: #993366;\"><strong>@IBOutlet<\/strong><\/span>,<\/span><\/span><strong><span style=\"color: #0000ff;\">\u00a0<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u043c\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e <strong><span style=\"color: #0000ff;\">grapher<\/span><\/strong> \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0447\u0442\u043e \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">yForX<\/span><\/strong> \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043c\u043e\u0435\u0433\u043e \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u00a0<\/span><strong>self.brain<\/strong><\/span>, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0436\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0430 \u043d\u0443\u0436\u043d\u0430\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 <strong><span style=\"color: #0000ff;\">program\u00a0<\/span><\/strong>\u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u043a\u0430.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.03.59-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2184 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.03.59-PM.png\" alt=\"Screen Shot 2015-05-22 at 9.03.59 PM\" width=\"1058\" height=\"478\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.03.59-PM.png 1058w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.03.59-PM-300x136.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.03.59-PM-1024x463.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.03.59-PM-500x226.png 500w\" sizes=\"auto, (max-width: 1058px) 100vw, 1058px\" \/><\/a><br \/>\n\u0412\u0441\u0435. \u041d\u0438\u043a\u0430\u043a\u0438\u0445 \u0434\u0435\u043b\u0435\u0433\u0430\u0442\u043e\u0432, \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432, \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432. \u0415\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 &#8212; \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c\u00a0<strong><span style=\"color: #0000ff;\">[unowned self ]<\/span><\/strong> \u0434\u043b\u044f \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (\u043e\u0431 \u044d\u0442\u043e\u043c \u0432 \u00a0\u0432\u00a0<strong><a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-9-cs193p-winter-2015-scroll-view-i-mnogopotochnost-multithreading\/\">\u041b\u0435\u043a\u0446\u0438\u0438 9<\/a><\/strong>).<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-3.27.28-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2195 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-3.27.28-PM.png\" alt=\"Screen Shot 2015-05-25 at 3.27.28 PM\" width=\"1230\" height=\"972\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-3.27.28-PM.png 1230w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-3.27.28-PM-300x237.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-3.27.28-PM-1024x809.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-3.27.28-PM-380x300.png 380w\" sizes=\"auto, (max-width: 1230px) 100vw, 1230px\" \/><\/a><br \/>\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u043c<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.07.56-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2185 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.07.56-PM.png\" alt=\"Screen Shot 2015-05-22 at 9.07.56 PM\" width=\"1542\" height=\"1202\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.07.56-PM.png 1542w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.07.56-PM-300x234.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.07.56-PM-1024x798.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-22-at-9.07.56-PM-385x300.png 385w\" sizes=\"auto, (max-width: 1542px) 100vw, 1542px\" \/><\/a><br \/>\n\u0412\u0441\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442. \u041c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u043e\u0447\u0435\u043d\u044c \u044d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u043e\u0435 \u0438 \u044f\u0441\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435. \u041a\u043e\u0434 \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/CalculatorBrain-cs193p-2015-Graphic-Closure\/tree\/ClassGrapher\">Github.<\/a><\/strong><br \/>\n\u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u043a\u043e\u0433\u0434\u0430 \u043a\u043b\u0430\u0441\u0441 <span style=\"color: #0000ff;\"><strong>Grapher <\/strong><\/span>\u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0432\u0441\u0435\u0433\u043e \u043e\u0434\u043d\u0443 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e, \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u0442\u0443\u043f\u0438\u0442\u044c \u0435\u0449\u0435 \u043f\u0440\u043e\u0449\u0435 \u0438 \u043d\u0435 \u0432\u0432\u043e\u0434\u0438\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">Grapher<\/span><\/strong>, \u0430 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0432 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">GrapherView<\/span>\u00a0<\/strong>\u0441\u0430\u043c\u0443 \u044d\u0442\u0443 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u043a\u0430\u043a <strong>public<\/strong> (not <strong>private<\/strong>) \u0447\u0442\u043e\u0431\u044b \u0435\u0435 \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0432\u00a0<strong><span style=\"color: #0000ff;\">GrapherViewController<\/span><\/strong><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.28.12-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2200 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.28.12-PM.png\" alt=\"Screen Shot 2015-05-25 at 4.28.12 PM\" width=\"896\" height=\"220\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.28.12-PM.png 896w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.28.12-PM-300x74.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.28.12-PM-500x123.png 500w\" sizes=\"auto, (max-width: 896px) 100vw, 896px\" \/><\/a><br \/>\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f\u00a0<strong>Optional<\/strong>\u00a0\u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e\u00a0<strong><span style=\"color: #0000ff;\">yForX<\/span><\/strong>, \u043d\u0430\u0440\u0438\u0441\u0443\u0435\u043c \u0433\u0440\u0430\u0444\u0438\u043a \u0432 \u043a\u043b\u0430\u0441\u0441\u0435\u00a0<span style=\"color: #0000ff;\"><strong>GrapView<\/strong><\/span><br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.38.20-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2202 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.38.20-PM.png\" alt=\"Screen Shot 2015-05-25 at 4.38.20 PM\" width=\"1046\" height=\"458\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.38.20-PM.png 1046w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.38.20-PM-300x131.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.38.20-PM-1024x448.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.38.20-PM-500x219.png 500w\" sizes=\"auto, (max-width: 1046px) 100vw, 1046px\" \/><\/a><br \/>\n\u0412 <strong><span style=\"color: #0000ff;\">GraphViewContrller<\/span><\/strong> \u0432 \u041d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u0435<strong><span style=\"color: #0000ff;\"> didSet { }<\/span> <\/strong>\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430 <strong><span style=\"color: #0000ff;\">GraphVie<\/span><span style=\"color: #0000ff;\">w<\/span><span style=\"color: #0000ff;\">!<\/span> <\/strong>\u043c\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043c \u0441\u0430\u043c\u043e \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">yForX<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u043c\u043e\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 <strong><span style=\"color: #0000ff;\">self.brain<\/span><\/strong>, \u00a0\u0438 \u00a0\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u0443\u044e \u0432 \u043d\u0435\u043c \u00a0\u043d\u0443\u0436\u043d\u0430\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 <strong><span style=\"color: #0000ff;\">program<\/span><\/strong> \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u043a\u0430.<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.43.01-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2203 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.43.01-PM.png\" alt=\"Screen Shot 2015-05-25 at 4.43.01 PM\" width=\"1060\" height=\"456\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.43.01-PM.png 1060w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.43.01-PM-300x129.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.43.01-PM-1024x441.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-25-at-4.43.01-PM-500x215.png 500w\" sizes=\"auto, (max-width: 1060px) 100vw, 1060px\" \/><\/a><br \/>\n\u041a\u043e\u0434 \u0434\u043b\u044f <strong>Swift 1.2<\/strong> \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/CalculatorBrain-cs193p-2015-Graphic-Closure\">Github<\/a><\/strong><a href=\"https:\/\/github.com\/BestKora\/CalculatorBrain-cs193p-2015-Graphic-Closure\/tree\/yForX\">.<\/a>\u00a0\u041a\u043e\u0434 \u0434\u043b\u044f\u00a0<strong>Swift 2.0<\/strong>\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 \u043d\u0430\u00a0<strong><a href=\"https:\/\/github.com\/BestKora\/CalculatorBrain-Graphic-Closure-iOS-9\">Github<\/a><\/strong><a href=\"https:\/\/github.com\/BestKora\/CalculatorBrain-cs193p-2015-Graphic-Closure\/tree\/yForX\">.<\/a><br \/>\n\u041e\u0447\u0435\u043d\u044c \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0439 \u043f\u0440\u0438\u0435\u043c \u043e\u0431\u043c\u0435\u043d\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043a\u043b\u0430\u0441\u0441\u0430\u043c\u0438, \u0438 \u0435\u0433\u043e \u0441\u0442\u043e\u0438\u0442 \u0432\u0437\u044f\u0442\u044c \u043d\u0430 \u0432\u043e\u043e\u0440\u0443\u0436\u0435\u043d\u0438\u0435. \u041c\u044b \u0435\u0449\u0435 \u0443\u0432\u0438\u0434\u0438\u043c \u0435\u0433\u043e \u0432 \u0431\u0443\u0434\u0443\u0449\u0438\u0445 \u043f\u043e\u0441\u0442\u0430\u0445.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0415\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u0432 \u043a\u043e\u0434\u0435 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435 (closure), \u043e\u043d\u043e \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043b\u044e\u0431\u044b\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u043d\u0443\u0442\u0440\u0438 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f. \u042d\u0442\u043e \u043e\u0447\u0435\u043d\u044c \u043a\u0440\u0443\u0442\u0430\u044f \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0439. \u041f\u043e\u043b\u044c\u0437\u0443\u044f\u0441\u044c \u044d\u0442\u0438\u043c\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u043d\u043e\u0433\u0434\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u044d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u0439 \u043a\u043e\u0434. \u0418\u043d\u043e\u0433\u0434\u0430 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043b\u0443\u0447\u0448\u0435\u0439 \u0437\u0430\u043c\u0435\u043d\u043e\u0439 &hellip; <a href=\"https:\/\/bestkora.com\/IosDeveloper\/elegantnyj-graficheskij-kalkulyator-bez-delegirovaniya\/\">\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":[22,23,14],"tags":[33,31,26],"class_list":["post-2177","post","type-post","status-publish","format-standard","hentry","category-ios-8","category-stanford-cs-193p-ios-8","category-swift","tag-ios-8","tag-swift","tag-zadanie-ios-8"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u043b\u044c\u0437\u0443\u044f\u0441\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0439 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\u0437\u0430\u0434\u0430\u043d\u0438\u0439 \u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f\u043c\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c\u0438 \u0441 \u0430\u0434\u0430\u043f\u0442\u0430\u0446\u0438\u0435\u0439 \u043a\u0443\u0440\u0441\u043e\u0432 \u043a \u043d\u043e\u0432\u044b\u043c \u0432\u0435\u0440\u0441\u0438\u044f\u043c Swift, Objective-C \u0438 iOS.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u042d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u0439 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 CS193P 2015 \u0431\u0435\u0437 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. | \u041e\u0431\u0443\u0447\u0430\u044e\u0449\u0438\u0439 \u043a\u0443\u0440\u0441 \u043f\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 iOS+Swift 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content=\"https:\/\/bestkora.com\/IosDeveloper\/elegantnyj-graficheskij-kalkulyator-bez-delegirovaniya\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2015-05-22T17:24:28+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2016-01-12T16:41:25+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u042d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u0439 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 CS193P 2015 \u0431\u0435\u0437 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. | \u041e\u0431\u0443\u0447\u0430\u044e\u0449\u0438\u0439 \u043a\u0443\u0440\u0441 \u043f\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 iOS+Swift \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439.\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u041f\u043e\u043b\u044c\u0437\u0443\u044f\u0441\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0439 \u0437\u0430\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0438\u0437 \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0435\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430, \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u043b\u0443\u0447\u0448\u0443\u044e \u0437\u0430\u043c\u0435\u043d\u0443 \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u0432 \u0413\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435 CS193P 2015.\" \/>\n\t\t<script type=\"application\/ld+json\" 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