flutter-freaccess-hub/lib/flutter_flow/form_field_controller.dart

import 'package:flutter/foundation.dart';

class FormFieldController<T> extends ValueNotifier<T?> {
  FormFieldController(this.initialValue) : super(initialValue);

  final T? initialValue;

  void reset() => value = initialValue;
  void update() => notifyListeners();
}