static void Main(string[] args) { Liquor vodka = new Liquor(95); Console.WriteLine(vodka); IVisitor endOfYearVisitor = new EndOfYearTax(); Console.WriteLine($"Price after tax = {vodka.Accept(endOfYearVisitor)}"); Chocolate toblerone = new Chocolate(95); Console.WriteLine(toblerone); Console.WriteLine($"Price after tax = {toblerone.Accept(endOfYearVisitor)}"); Circle c = new Circle(); c.Radius = 3.9f; ShapeVisitor shapeVisitor = new ShapeVisitor(); Console.WriteLine(c.Accept(shapeVisitor)); // calc area Shape3dVisitor shape3dVisitor = new Shape3dVisitor(); Console.WriteLine(c.Accept(shape3dVisitor)); // calc area }
public double Visit(Chocolate chocolate) { return(chocolate.Price * 0.9); }