use Vanilo\Cart\Facades\Cart;
    use App\Product;

    $galaxyS8 = Product::create(['name' => 'Galaxy S8', 'price' => 724.99]);
    $iphoneX  = Product::findBySku('MQA62LL/A');

    Cart::addItem($galaxyS8);
    Cart::addItem($iphoneX);

    echo Cart::total();
    //1723.99

    

    use Vanilo\Cart\Contracts\Cart;
    use Vanilo\Product\Contracts\Product;

    class CartController extends Controller
    {
        protected $cart;

        // let the container inject the cart
        public function __construct(Cart $cart)
        {
            $this->cart = $cart;
        }

        public function addToCart(Product $product)
        {
            $this->cart->addItem($product)

            return view('cart.show', ['cart' => $this->cart]);
        }
    }