package generic

// Valid returns true if the argument is not nil and can be converted to the type.
// if additional validators are required they can be given as arguments
func Valid[T any](item any, validator ...func(T) bool) (ok bool) {
	if item != nil {
		var v, ok = item.(T)
		if len(validator) != 0 {
			for _, vali := range validator {
				ok = ok && vali(v)
			}
		}
		return ok
	}
	return false
}