public Pizza(IPizzaType type, Money basePrice, IToppings toppings)
{
_type = type;
_basePrice = basePrice;
_toppings = toppings;
}
public IPizza As(IPizzaType pizzaType) => pizzaType.Create(_toppings.Copy());
public Pizza(IPizzaType type, Money basePrice) : this(type, basePrice, new Toppings())
{
}
