type os/user.UnknownGroupIdError

3 uses

	os/user (current package)
		user.go#L78: type UnknownGroupIdError string
		user.go#L80: func (e UnknownGroupIdError) Error() string {
		cgo_lookup_unix.go#L172: 		return nil, UnknownGroupIdError(strconv.Itoa(gid))