updateCheck method

Implementation

@override
U? updateCheck(_, U value, InputStatus status) {
  return (hovered == null || hovered == status.hovered) &&
      (focused == null || focused == status.focused) &&
      (touched == null || touched == status.touched) &&
      (dirty == null || dirty == status.dirty) &&
      (empty == null || empty == status.empty) &&
      (full == null || full == status.full) &&
      (edited == null || edited == status.edited) &&
      (submitted == null || submitted == status.submitted) &&
      (fetch == null || fetch == status.fetch) ? value : null;
}