truncate method

Future<void> truncate(
  1. int newLength, {
  2. CancelToken? cancel,
})

Implementation

Future<void> truncate(int newLength, {CancelToken? cancel}) async {
  _checkWritable();
  cancel?.throwIfCancelled(path: path);
  return _track(_guard('truncate', () => _backend.truncate(newLength)));
}