# File lib/action_controller/routing/optimisations.rb, line 59 def guard_condition number_of_arguments = route.segment_keys.size # if they're using foo_url(:id=>2) it's one # argument, but we don't want to generate /foos/id2 if number_of_arguments == 1 "(!defined?(default_url_options) || default_url_options.blank?) && defined?(request) && request && args.size == 1 && !args.first.is_a?(Hash)" else "(!defined?(default_url_options) || default_url_options.blank?) && defined?(request) && request && args.size == #{number_of_arguments}" end end