isEmpty property

@override bool get isEmpty

Implementation

@override
bool get isEmpty {
  if (_value == null) return true;
  if (_value is String) return (_value as String).isEmpty;
  if (_value is int) return (_value as int) == 0;
  if (_value is double) return (_value as double) == 0;
  if (_value is bool) return (_value as bool);
  return true;
}