to_feed

# File lib/rss/maker/feed.rb, line 180
            def to_feed(feed)
              set_default_values do
                entry = feed.class::Entry.new
                set = setup_values(entry)
                entry.dc_dates.clear
                setup_other_elements(feed, entry)
                if set
                  feed.entries << entry
                  set_parent(entry, feed)
                elsif variable_is_set?
                  raise NotSetError.new("maker.item", not_set_required_variables)
                end
              end
            end