code: func (m Method) Delegate(receiver, delegate string) string {
  	ret := ""
  	if len(m.Out) > 0 {
  		ret = "return "
  	}
  	return fmt.Sprintf("%s%s.%s.%s%s", ret, receiverShort(receiver), delegate, m.Name, m.inOutStr())
  }
docs: // Delegate creates a delegate call string.