//go:build windows // Package driveletter returns whether a name is a valid drive letter package driveletter // IsDriveLetter returns a bool indicating whether name is a valid // Windows drive letter func IsDriveLetter(name string) bool { if len(name) != 1 { return false } c := name[0] return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') }