removeWhere method

  1. @override
void removeWhere(
  1. bool predicate(
    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 predicate(K key, V value)) {
  impl.removeWhere((K key, V value) {
    bool removed = predicate(key, value);
    if (removed && hasRemovedCallback != null) {
      hasRemovedCallback!(key, value);
    }
    return removed;
  });
}