cows property Null safety

List<Cow> cows

Implementation

List<Cow> get cows => _cows;
void cows=(List<Cow> _)

Implementation

set cows(List<Cow> _) {
  if (_isExistSelectedCow()) {
    final List<Cow> cashCows = List.from(_cows);
    _cows = _;
    _updateSelectedState(_cows, cashCows);
  } else {
    _cows = _;
  }

  notifyListeners();
}