class ActionDispatch::Routing::RouteSet::Generator

def use_recall_for(key)
  if @recall[key] && (!@options.key?(key) || @options[key] == @recall[key])
    if named_route_exists?
      @options[key] = @recall.delete(key) if segment_keys.include?(key)
    else
      @options[key] = @recall.delete(key)
    end
  end
end