url_helpers

# File actionpack/lib/action_dispatch/routing/route_set.rb, line 336
      def url_helpers
        @url_helpers ||= begin
          routes = self

          helpers = Module.new do
            extend ActiveSupport::Concern
            include UrlFor

            @_routes = routes
            class << self
              delegate :url_for, :to => '@_routes'
            end
            extend routes.named_routes.module

            # ROUTES TODO: install_helpers isn't great... can we make a module with the stuff that
            # we can include?
            # Yes plz - JP
            included do
              routes.install_helpers(self)
              singleton_class.send(:redefine_method, :_routes) { routes }
            end

            define_method(:_routes) { @_routes || routes }
          end

          helpers
        end
      end