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)) {
  final remove = [];
  for (var e in entries) {
    if (test(e.key, e.value)) remove.add(e.key);
  }
  ;
  for (var k in remove) {
    _dbm.remove(_keySerializer(k));
  }
}