url_for into the host class (e.g. an abstract controller or mailer). The class has to provide a
RouteSet by implementing the
_routes methods. Otherwise, an exception will be raised.
Note that this module is completely decoupled from HTTP - the only requirement is a valid
# File actionpack/lib/abstract_controller/url_for.rb, line 14 def _routes raise "In order to use #url_for, you must include routing helpers explicitly. " \ "For instance, `include Rails.application.routes.url_helpers`." end