method_missing

# File actionpack/lib/action_dispatch/routing/routes_proxy.rb, line 30
      def method_missing(method, *args)
        if @helpers.respond_to?(method)
          self.class.class_eval             def #{method}(*args)              options = args.extract_options!              options = url_options.merge((options || {}).symbolize_keys)              if @script_namer                options[:script_name] = merge_script_names(                  options[:script_name],                  @script_namer.call(options)                )              end              args << options              @helpers.#{method}(*args)            end, __FILE__, __LINE__ + 1
          public_send(method, *args)
        else
          super
        end
      end