NAMAKESUGI | Rails3 ActiveSupport::ConcernFlexã‚„Ruby on Railsãªã©ã§ä½¿ã„æ–¹ã¨ã‹ã‚’自分ãŒå¾Œã§ã‚ã‹ã‚‹ã‚ˆã†ã«ãƒ¡ãƒ¢ã—ã¦ãŠãブãƒã‚°ã€‚最近ã¯Flexç³»ã«é£½ãã¦ã¾ã™ã€‚ カテゴリ: Rails Railsã®ActiveSupport::Concern ActiveSupport::Concernã¯Rubyã§æ©Ÿèƒ½æ‹¡å¼µã‚„共通ã§åˆ©ç”¨ã™ã‚‹éƒ¨åˆ†ã‚’切り出ã—ã€module化ã™ã‚‹ã¨ãã«ã‚ˆãやる方法ã§ã‚ã‚‹ self.included内ã®å‡¦ç†ã‚’ç°¡æ½”ã«ã™ã‚‹ãŸã‚ã®æ©Ÿèƒ½ã§ã™ Rubyã®ã¿ã®æ©Ÿèƒ½ã§å®Ÿè£…ã—ãŸå ´åˆ 以下ã®ã‚ˆã†ãªã‚³ãƒ¼ãƒ‰ãŒã‚ã‚‹ã¨ã—ã¾ã™ ã“ã®ã‚³ãƒ¼ãƒ‰ã¯ã“ã®module Mã‚’includeã—ãŸã‚¯ãƒ©ã‚¹ã«ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰my_class_methodåŠã³my_instance_methodã‚’è¿½åŠ ã™ã‚‹ã‚‚ã®ã§ã™ module M def self.included(base) base.extend ClassMethods base.send(:include,
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