code: func (u *UUID) decodeHashLike(t []byte) (err error) {
  	src := t[:]
  	dst := u[:]
  
  	if _, err = hex.Decode(dst, src); err != nil {
  		return err
  	}
  	return
  }
docs: // decodeHashLike decodes UUID string in format
  // "6ba7b8109dad11d180b400c04fd430c8".