public Calzone(ICalzoneType type, Money basePrice, IToppings toppings)
{
_type = type;
_basePrice = basePrice;
_toppings = toppings;
}
public ICalzone As(ICalzoneType calzoneType) => calzoneType.Create(_toppings.Copy());
public Calzone(ICalzoneType type, Money basePrice) : this(type, basePrice, new Toppings())
{
}
