Beispiel #1
0
 public bool RemoveCoupon(string couponCode)
 => Discount.TryGetCoupon(couponCode, out Discount d) && RemoveCoupon(d);
Beispiel #2
0
 public bool AddCoupon(string couponCode)
 => Discount.TryGetCoupon(couponCode, out Discount d) && AddCoupon(d);