forEach method Null safety

  1. @override
void forEach(
  1. void f(
    1. K key,
    2. V value
    )
)

Applies action to each key/value pair of the map.

Calling action must not add or remove keys from the map.

Implementation

@override
void forEach(void f(K key, V value)) {
  _values.forEach(f);
  notifyListeners();
}