forEach method
Applies f to each key/value pair of the map.
Calling f must not add or remove keys from the map.
Implementation
void forEach(void action(K key, V value)) {
_map.forEach(action);
}Applies f to each key/value pair of the map.
Calling f must not add or remove keys from the map.
void forEach(void action(K key, V value)) {
_map.forEach(action);
}