code: func (v Values) Encode(w io.Writer) error {
  	//return yaml.NewEncoder(w).Encode(v)
  	out, err := yaml.Marshal(v)
  	if err != nil {
  		return err
  	}
  	_, err = w.Write(out)
  	return err
  }
docs: // Encode writes serialized Values information to the given io.Writer.