# File lib/action_controller/routing_optimisation.rb, line 58 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?(request) && request && args.size == 1 && !args.first.is_a?(Hash)" else "defined?(request) && request && args.size == #{number_of_arguments}" end end