# File lib/twitter/client/friends_and_followers.rb, line 30
      def friend_ids(*args)
        options = {:cursor => -1}
        options.merge!(args.last.is_a?(Hash) ? args.pop : {})
        user = args.first
        merge_user_into_options!(user, options)
        response = get('1/friends/ids', options)
        format.to_s.downcase == 'xml' ? Hashie::Mash.new(:ids => response['id_list']['ids']['id'].map{|id| id.to_i}) : response
      end