listenStreams method

void listenStreams(
  1. Iterable<Stream> streams,
  2. void update(
      )
    )

    listen stream and call update but can't get access to event value :[

    Implementation

    void listenStreams(Iterable<Stream> streams, void Function() update) {
  _sub.addAll(streams.map((e) => e.listen((_) => update())));
}