Updates all values.
Iterates over all entries in the map and updates them with the result of invoking update.
void updateAll(V update(K key, V value)) {
for (var key in this.keys) {
this[key] = update(key, this[key]);
}
}
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/MapMixin/updateAll.html