hash_extend

var GCID = utils.RegisterHashWithParam("gcid", "GCID", 40, func(a ...any) hash.Hash {
	var (
		size int64
		err  error
	)
	if len(a) > 0 {
		size, err = strconv.ParseInt(fmt.Sprint(a[0]), 10, 64)
		if err != nil {
			panic(err)
		}
	}
	return NewGcid(size)
})