# File lib/active_support/memoizable.rb, line 21
      def memoize_all
        methods.each do |m|
          if m.to_s =~ /^_unmemoized_(.*)/
            if method(m).arity == 0
              __send__($1)
            else
              ivar = MEMOIZED_IVAR.call($1)
              instance_variable_set(ivar, {})
            end
          end
        end
      end