for i, v := range s {
		result[i] = v
	}
	return result
}

// resourceVersionNotOlderThan returns a function to validate resource versions. Resource versions
// referring to points in logical time before the sentinel generate an error. All logical times as
// new as the sentinel or newer generate no error.
func resourceVersionNotOlderThan(sentinel string) func(string) error {
	return func(resourceVersion string) error {