removeWhere method
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(K key, V value) predicate) {
final oldLength = super.value.length;
super.value.removeWhere(predicate);
if (oldLength != super.value.length)
super._valueStreamController.sink.add(super.value);
}