doOnResume method Null safety

Stream<T> doOnResume(
  1. void onResume(
      )
    )

    Invokes the given callback function when the stream subscription resumes receiving items.

    Example

    final subscription = Stream.fromIterable([1])
  .doOnResume(() => print('Let's do this!'))
  .listen(null);

subscription.pause();
subscription.resume(); 'Let's do this!'

    Implementation

    Stream<T> doOnResume(void Function() onResume) =>
    transform(DoStreamTransformer<T>(onResume: onResume));