removeWhere method

@override void removeWhere(Test<E> test, { bool notifyListeners = true, })

Removes all elements of this set that satisfy test.

final characters = <String>{'A', 'B', 'C'};
characters.removeWhere((element) => element.startsWith('B'));
print(characters); // {A, C}

Implementation

@override
void removeWhere(Test<E> test, {bool notifyListeners = true}) {
  if (notifyListeners) {
    final elementsToRemove = <E>{};
    for (var element in value) {
      if (test(element)) {
        elementsToRemove.add(element);
      }
    }
    removeAll(elementsToRemove);
  } else {
    value.removeWhere(test);
  }
}