srockstyle · September 17, 2016 02:01
diff --git a/file0.txt b/file0.txt
 ApplicationCotnroller < ActionController::Base
    NUM = 1
    ...
 end
diff --git a/file1.txt b/file1.txt
 BookController < ApplicationController  
    def read   
        ## ここに定数いれる
        @number = NUM
    end
 end

diff --git a/file2.txt b/file2.txt
 module Constants
    ## Constants::NUMでアクセスできる
    NUM = 1
 end

 ## こっちはTITLEでアクセスできる
 TITLE = 'Story Of The Ring'
diff --git a/file3.txt b/file3.txt
 if Rails.env == "production"
    ## 本番の定数
 else
    ## 開発の定数
 end
diff --git a/file4.txt b/file4.txt
 class Settings < Settingslogic
  source "#{Rails.root}/config/application.yml"
  namespace Rails.env
 end
diff --git a/file5.yml b/file5.yml
 # config/application.yml
 defaults: &defaults
  artist:
    band: Oasis
 development:
  <<: *defaults
 test:
  <<: *defaults
 production:
  <<: *defaults
diff --git a/file6.txt b/file6.txt

 おためしあれん。
	BookController < ApplicationController
	def read
	## ここに定数いれる
	@number = NUM
	end
	end
	class Settings < Settingslogic
	source "#{Rails.root}/config/application.yml"
	namespace Rails.env
	end