static void Main(string[] args)
{
IItem drink = new Drink();
IItem discountDrink = new DiscountItemDecorator(new Drink());
IItem pizza = new Pizza();
IItem discountPizza = new DiscountItemDecorator(new Pizza());
Console.WriteLine("Drink with normal price");
drink.calcPrice(0);
Console.WriteLine("\nDrink with discount");
discountDrink.calcPrice(0.4f);
Console.WriteLine("\nPizza with normal price");
pizza.calcPrice(0);
Console.WriteLine("\nPizza with discount");
discountPizza.calcPrice(0.1f);
}
