public DrinksController(DataService dataService) { Precond.IsNotNull(dataService); this.dataService = dataService; }
/// <summary> /// Adds or updates the drink. Drink may not be null. /// </summary> /// <exception cref="ArgumentNullException">drink</exception> public void AddOrUpdate(Drink drink) { Precond.IsNotNull(drink?.Name); drinks[drink.Name] = drink; }