# File lib/twitter/client/user.rb, line 20
      def user(*args)
        options = args.last.is_a?(Hash) ? args.pop : {}
        user = args.first || get_screen_name
        merge_user_into_options!(user, options)
        response = get('1/users/show', options)
        format.to_s.downcase == 'xml' ? response['user'] : response
      end