return empty
}

// OrDefault returns *t if its non-nil, or else def.
func OrDefault[T any](t *T, def T) T {
	if t != nil {
		return *t
	}
	return def
}

// NonEmptyOrDefault returns t if its non-empty, or else def.
func NonEmptyOrDefault[T comparable](t T, def T) T {
	var empty T
	if t != empty {
		return t
	}
	return def
}

// Empty returns an empty T type
func Empty[T any]() T {
	var empty T