polymorphic_method

# File actionpack/lib/action_dispatch/routing/polymorphic_routes.rb, line 206
          def self.polymorphic_method(recipient, record_or_hash_or_array, action, type, options)
            builder = get action, type

            case record_or_hash_or_array
            when Array
              record_or_hash_or_array = record_or_hash_or_array.compact
              if record_or_hash_or_array.empty?
                raise ArgumentError, "Nil location provided. Can't build URI."
              end
              if record_or_hash_or_array.first.is_a?(ActionDispatch::Routing::RoutesProxy)
                recipient = record_or_hash_or_array.shift
              end

              method, args = builder.handle_list record_or_hash_or_array
            when String, Symbol
              method, args = builder.handle_string record_or_hash_or_array
            when Class
              method, args = builder.handle_class record_or_hash_or_array

            when nil
              raise ArgumentError, "Nil location provided. Can't build URI."
            else
              method, args = builder.handle_model record_or_hash_or_array
            end

            if options.empty?
              recipient.send(method, *args)
            else
              recipient.send(method, *args, options)
            end
          end