action_path

# File actionpack/lib/action_dispatch/routing/mapper.rb, line 1447
          def action_path(name, path = nil) #:nodoc:
            # Ruby 1.8 can't transform empty strings to symbols
            name = name.to_sym if name.is_a?(String) && !name.empty?
            path || @scope[:path_names][name] || name.to_s
          end