ã€æ‚²å ±ã€‘ActiveSupport::Concern ã® ClassMethod ã¯ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ãƒ¡ã‚½ãƒƒãƒ‰ã«ãªã‚‹ä»¶ - MUGENUP技術ブãƒã‚°çš†ã•ã‚“ã“ã‚“ã«ã¡ã¯ï¼ã€Œå¤ªé¼“å¼ãƒžãƒƒã‚µãƒ¼ã‚¸ï¼Ÿé¢ç™½ãã†ï¼ã€ã¨æ€ã£ãŸã‚‰ã€Œã‚¿ã‚¤å¤å¼ãƒžãƒƒã‚µãƒ¼ã‚¸ã€ã§ã—ãŸã€‚MUGENUP ã® osada ã§ã™ã€‚åå‰ã£ã¦é›£ã—ã„ã§ã™ã‚ˆã。 ã¨ã“ã‚ã§ã€ActiveSupport::Concern ã® ClassMethod ã§å®šç¾©ã—ãŸã‚¯ãƒ©ã‚¹å¤‰æ•°ãŒã€ã©ã“ã«ã‚ã‚‹ã‹ã€ã”å˜çŸ¥ã§ã™ã‹ï¼Ÿ # app/models/concern/item_module.rb module ItemModule extend ActiveSupport::Concern module ClassMethods def my_module_method @@concern_class_variable ||= "concern_class_variable" end end end # app/models/item.rb class Item < ActiveRecord::Base include It
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