anchor.diff:            widget: WishlistListScreen(wishlists: _appState.wishlists, onCreate: onCreate),
             stackedRoutes: [
               VGuard(
  -              beforeEnter: (vRedirector) async => createIfNotExist(vRedirector.newVRouterData!.pathParameters['id']!),
  -              beforeUpdate: (vRedirector) async => createIfNotExist(vRedirector.newVRouterData!.pathParameters['id']!),
  +              beforeEnter: (vRedirector) async =>
  +                  createIfNotExist(vRedirector.newVRouterData!.pathParameters['id']!),
  +              beforeUpdate: (vRedirector) async =>
  +                  createIfNotExist(vRedirector.newVRouterData!.pathParameters['id']!),
                 stackedRoutes: [
                   VWidget(
                     path: r'wishlist/:id(\d+)',
                     widget: Builder(
                       builder: (context) => WishlistScreen(
                           wishlist: _appState.wishlists.firstWhere(
  -                                (element) => element.id == context.vRouter.pathParameters['id'])),
  +                            (element) => element.id == context.vRouter.pathParameters['id'])),
                     ),
                   ),
                 ],
  
positive.code:         ),
        ],
      );
    }
  
    void onCreate(String value) {
      final wishlist = Wishlist(value);
      _appState.addWishlist(wishlist);
      vRouterKey.currentState!.push('/wishlist/$value');
    }
  
    void createIfNotExist(String value) {
      if (_appState.wishlists.indexWhere((element) => element.id == value) == -1) {
        _appState.addWishlist(Wishlist(value));
      }
    }
  }
  
  
negative.code:     });
    }
  
    void onCreate(String value) {
      final wishlist = Wishlist(value);
      _appState.addWishlist(wishlist);
      vRouterKey.currentState!.push('/wishlist/$value');
    }
  
    void createIfNotExist(String value) {
      if (_appState.wishlists.indexWhere((element) => element.id == value) == -1) {
        _appState.addWishlist(Wishlist(value));
      }
    }
  
    @override
    void dispose() {
      _appState.dispose();
  