Dumplie\Customer\Infrastructure\InMemory\InMemoryCarts::exists PHP Method

public exists ( CartId $cartId ) : boolean
$cartId	Dumplie\Customer\Domain\CartId
return	boolean

    public function exists(CartId $cartId) : bool
    {
        return array_key_exists((string) $cartId, $this->carts);
    }

InMemoryCarts