removeWhere method

  1. @override
void removeWhere(
  1. bool test(
    1. K? key,
    2. V value
    )
)
override

Removes all entries of this map that satisfy the given test.

final terrestrial = <int, String>{1: 'Mercury', 2: 'Venus', 3: 'Earth'};
terrestrial.removeWhere((key, value) => value.startsWith('E'));
print(terrestrial); // {1: Mercury, 2: Venus}

Implementation

@override
void removeWhere(bool test(K? key, V value)) {
  return _buildChanges((_) {
    this.forEach((k, v) {
      if (test(k, v) == true) {
        _.remove(k);
      }
    });

    super.remove(test);
  });
}