code: func (s *Static) Serve(url string, path string) {
  	path, err := filepath.Abs(path)
  	if err != nil {
  		panic("Cannot make absolute path for " + path)
  	}
  
  	log.Debug("Serving static at " + path)
  
  	s.serving[url] = path
  }
docs: // Serving static files from some directory.
  // If provided url is for example ``/assets``,
  // then all requests starting with ``/assets`` will be served from directory
  // provided by ``path`` parameter.