Future update(value) {
  try {
    return _completeRequest(_update(value));
  } catch (e, stacktrace) {
    return new Future.error(e, stacktrace);
  }
}
    © 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
    https://api.dart.dev/stable/2.5.0/dart-indexed_db/Cursor/update.html