to_feed

# File lib/rss/maker/feed.rb, line 28
          def to_feed(feed)
            set_default_values do
              setup_values(feed)
              feed.dc_dates.clear
              setup_other_elements(feed)
              if image_favicon.about
                icon = feed.class::Icon.new
                icon.content = image_favicon.about
                feed.icon = icon
              end
              unless have_required_values?
                raise NotSetError.new("maker.channel",
                                      not_set_required_variables)
              end
            end
          end