# File lib/action_controller/polymorphic_routes.rb, line 3
    def polymorphic_url(record_or_hash_or_array, options = {})
      record = extract_record(record_or_hash_or_array)

      namespace = extract_namespace(record_or_hash_or_array)
      
      args = case record_or_hash_or_array
        when Hash;  [ record_or_hash_or_array ]
        when Array; record_or_hash_or_array.dup
        else        [ record_or_hash_or_array ]
      end

      inflection =
        case
        when options[:action] == "new"
          args.pop
          :singular
        when record.respond_to?(:new_record?) && record.new_record?
          args.pop
          :plural
        else
          :singular
        end
      
      named_route = build_named_route_call(record_or_hash_or_array, namespace, inflection, options)
      send!(named_route, *args)
    end