listen method

void listen(
  1. Stream<T>? stream,
  2. void onData(
    1. T data
    ), {
  3. Function? onError,
})

Listens to a stream and saves it to the list of subscriptions.

Implementation

void listen(
  Stream<T>? stream,
  void Function(T data) onData, {
  Function? onError,
}) {
  if (stream != null) {
    _subscriptions.add(stream.listen(onData, onError: onError));
  }
}