code: func (fs RouteFileStore) Get(id string) (*Route, error) {
  	file, err := os.Open(fs.Filename(id))
  	if err != nil {
  		return nil, err
  	}
  	route := new(Route)
  	if err = unmarshal(file, route); err != nil {
  		return nil, err
  	}
  	return route, nil
  }
docs: // Get returns *Route based on an id