validate property

@override String? get validate

Implementation

@override
String? get validate {
  if (flags == null) return super.validate;
  if (flags is! int &&
      flags is! FlagsInterface &&
      flags is! List<int> &&
      flags is! List<FlagsInterface>) {
    return "flags must be int, List<int>, FlagsInterface or List<FlagsInterface>";
  }
  return super.validate;
}