forEach method

void forEach(void action(K key, V value))

Applies f to each key-value pair of the map.

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

Source

void forEach(void action(K key, V value)) {
  _map.forEach(action);
}

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-collection/MapView/forEach.html