listen method

StreamSubscription<T> listen(
  1. ValueChanged<T> listener, {
  2. Function? onError,
  3. VoidCallback? onDone,
  4. bool? cancelOnError,
})

监听流

Implementation

StreamSubscription<T> listen(
  ValueChanged<T> listener, {
  Function? onError,
  VoidCallback? onDone,
  bool? cancelOnError,
}) {
  return stream.listen(
    listener,
    onError: onError,
    onDone: onDone,
    cancelOnError: cancelOnError,
  );
}