}

// IsSet returns whether the type is valid and known.
func (c ChecksumType) IsSet() bool {
	return !c.Is(ChecksumInvalid) && !c.Base().Is(ChecksumNone)
}

// ChecksumStringToType is like NewChecksumType but without the `mode`
func ChecksumStringToType(alg string) ChecksumType {
	switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32
	case "CRC32C":
		return ChecksumCRC32C
	case "SHA1":