# File lib/rss/maker/atom.rb, line 110
110:       def to_feed(feed, current)
111:         link = feed.class::Link.new
112:         set = setup_values(link)
113:         if set
114:           current.links << link
115:           set_parent(link, current)
116:           setup_other_elements(feed)
117:         else
118:           raise NotSetError.new(self.class.not_set_name,
119:                                 not_set_required_variables)
120:         end
121:       end

     # File lib/rss/maker/atom.rb, line 124
124:       def required_variable_names
125:         %w(href)
126:       end