registerChangeCallback method

  1. @override
Disposable? registerChangeCallback(
  1. void callback(
    1. Object? state
    ), [
  2. Object? state
])
override

Registers for a callback that will be invoked when the entry has changed.

Implementation

@override
Disposable? registerChangeCallback(void Function(Object? state) callback,
    [Object? state]) {
  _ensureCallbacksInitialized();
  return _cancellationTokenSource!.token.register((state) {
    callback(state);
  });
}