uuid.go
func FromBytes(b []byte) (uuid UUID, err error) {
	err = uuid.UnmarshalBinary(b)
	return uuid, err
}
func FromBytes(b []byte) (uuid UUID, err error) {
	err = uuid.UnmarshalBinary(b)
	return uuid, err
}
// FromBytes creates a new UUID from a byte slice. Returns an error if the slice
// does not have a length of 16. The bytes are copied from the slice.