whereTypeStreamTransformer<T> function

StreamTransformer<T?, T> whereTypeStreamTransformer<T>()

Implementation

StreamTransformer<T?, T> whereTypeStreamTransformer<T>() {
  return createTransformer<T?, T>(
    onData: (controller, data) {
      if (data is T) {
        controller.add(data);
      }
    },
  );
}