public static PizzaDelivery Deliver(this HotPizza pizza) { return(PizzaService.DeliverPizza(pizza)); }
public static ColdPizza Prepare(this PizzaOrder order) { return(PizzaService.PreparePizza(order)); }
public static HotPizza Cook(this ColdPizza pizza, int temperature) { return(PizzaService.CookPizza(pizza, temperature)); }
public static PizzaOrder Order(this PizzaRecipe recipe, string size) { return(PizzaService.OrderPizza(recipe, size)); }