to_feed

# File lib/rss/maker/atom.rb, line 128
      def to_feed(feed, current)
        generator = current.class::Generator.new
        if setup_values(generator)
          current.generator = generator
          set_parent(generator, current)
          setup_other_elements(feed)
        elsif variable_is_set?
          raise NotSetError.new(self.class.not_set_name,
                                not_set_required_variables)
        end
      end