init method

@override @nonVirtual Future<void> init()

Implementation

@override
@nonVirtual
Future<void> init() {
  final disposal = _disposeFuture;
  if (disposal != null) return disposal.then((_) => init());
  if (_initialized) return Future.value();
  return _initFuture ??= Future.sync(initOnce).then(
    (_) {
      _initialized = true;
    },
    onError: (Object error, StackTrace stack) {
      _initFuture = null;
      Error.throwWithStackTrace(error, stack);
    },
  );
}