map<K2, V2> method

  1. @override
Map<K2, V2> map <K2, V2>(Object transform(K key, V value))
override

Returns a new map where all entries of this map are transformed by the given f function.

Implementation 

@override
// TODO: Dart 2.0 requires this method to be implemented.
// ignore: override_on_non_overriding_method
Map<K2, V2> map<K2, V2>(Object transform(K key, V value)) {
  // Change Object to MapEntry<K2, V2> when
  // the MapEntry class has been added.
  throw new UnimplementedError("map");
}