observe method

  1. @override
Dispose observe(
  1. Listener<ChangeNotification<T>> listener, {
  2. bool fireImmediately = false,
})
override

Implementation

@override
Dispose observe(Listener<ChangeNotification<T>> listener,
    {bool fireImmediately = false}) {
  if (fireImmediately == true) {
    listener(ChangeNotification<T>(
        type: OperationType.update,
        newValue: _value,
        oldValue: null,
        object: this));
  }

  return _listeners.add(listener);
}