contains<T> method

@override bool contains<T>({ String? name, })

Checks registration in this container and parents.

See ServiceContainer.contains for details.

Implementation

@override
bool contains<T>({String? name}) {
  final key = _key<T>(name);
  return _factories.containsKey(key) ||
      _singletons.containsKey(key) ||
      (_parent?.contains<T>(name: name) ?? false);
}