How to convert Golang pgtype.UUID to string

func UUIDToString(t pgtype.UUID) string {
	if !t.Valid {
		return ""
	}
	src := t.Bytes
	return fmt.Sprintf("%x-%x-%x-%x-%x", src[0:4], src[4:6], src[6:8], src[8:10], src[10:16])
}