removeWhere method

@override void removeWhere(bool test(String key, String value))

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 Function(String key, String value) test) {
  for (var entry in entries.toList()) {
    if (test(entry.key, entry.value)) {
      remove(entry.key);
    }
  }
}