Methods
Classes and Modules
Module ActiveSupport::Memoizable::InstanceMethods
Public Class methods
memoized_ivar_for(symbol)
   # File activesupport/lib/active_support/memoizable.rb, line 3
3:     def self.memoized_ivar_for(symbol)
4:       "@_memoized_#{symbol.to_s.sub(/\?\Z/, '_query').sub(/!\Z/, '_bang')}".to_sym
5:     end
Public Instance methods
memoize(*symbols)
    # File activesupport/lib/active_support/memoizable.rb, line 56
56:     def memoize(*symbols)
57:       symbols.each do |symbol|
58:         original_method = "_unmemoized_#{symbol}""_unmemoized_#{symbol}"
59:         memoized_ivar = ActiveSupport::Memoizable.memoized_ivar_for(symbol)
60: 
61:         class_eval "include InstanceMethods                                                  # include InstanceMethods\n#\nif method_defined?(:\#{original_method})                                  # if method_defined?(:_unmemoized_mime_type)\nraise \"Already memoized \#{symbol}\"                                     #   raise \"Already memoized mime_type\"\nend                                                                      # end\nalias \#{original_method} \#{symbol}                                       # alias _unmemoized_mime_type mime_type\n#\nif instance_method(:\#{symbol}).arity == 0                                # if instance_method(:mime_type).arity == 0\ndef \#{symbol}(reload = false)                                          #   def mime_type(reload = false)\nif reload || !defined?(\#{memoized_ivar}) || \#{memoized_ivar}.empty?  #     if reload || !defined?(@_memoized_mime_type) || @_memoized_mime_type.empty?\n\#{memoized_ivar} = [\#{original_method}.freeze]                     #       @_memoized_mime_type = [_unmemoized_mime_type.freeze]\nend                                                                  #     end\n\#{memoized_ivar}[0]                                                  #     @_memoized_mime_type[0]\nend                                                                    #   end\nelse                                                                     # else\ndef \#{symbol}(*args)                                                   #   def mime_type(*args)\n\#{memoized_ivar} ||= {} unless frozen?                               #     @_memoized_mime_type ||= {} unless frozen?\nreload = args.pop if args.last == true || args.last == :reload       #     reload = args.pop if args.last == true || args.last == :reload\n#\nif defined?(\#{memoized_ivar}) && \#{memoized_ivar}                    #     if defined?(@_memoized_mime_type) && @_memoized_mime_type\nif !reload && \#{memoized_ivar}.has_key?(args)                      #       if !reload && @_memoized_mime_type.has_key?(args)\n\#{memoized_ivar}[args]                                           #         @_memoized_mime_type[args]\nelsif \#{memoized_ivar}                                             #       elsif @_memoized_mime_type\n\#{memoized_ivar}[args] = \#{original_method}(*args).freeze        #         @_memoized_mime_type[args] = _unmemoized_mime_type(*args).freeze\nend                                                                #       end\nelse                                                                 #     else\n\#{original_method}(*args)                                          #       _unmemoized_mime_type(*args)\nend                                                                  #     end\nend                                                                    #   end\nend                                                                      # end\n#\nif private_method_defined?(\#{original_method.inspect})                   # if private_method_defined?(:_unmemoized_mime_type)\nprivate \#{symbol.inspect}                                              #   private :mime_type\nend                                                                      # end\n", __FILE__, __LINE__ + 1
62:       end
63:     end