code: def Integer(name, base=10, encoding=None):
      
      def _match(request, value):
          return name, query.Integer(
              value,
              base=base,
              encoding=contentEncoding(request.requestHeaders, encoding))
      return _match
docs: Match an integer route parameter.
  
      :type  name: `bytes`
      :param name: Route parameter name.
  
      :type  base: `int`
      :param base: Base to interpret the value in.
  
      :type  encoding: `bytes`
      :param encoding: Default encoding to assume if the ``Content-Type``
          header is lacking one.
  
      :return: ``callable`` suitable for use with `route` or `subroute`.