C#委托实现匿名方法调用

C#委托实现匿名方法

// CalculateTax is a delegate that takes a double and returns a double
public delegate double CalculateTax(double x);
static void Main(string[] args) {
    CalculateTax stateDelegate = delegate(double x) { return x * 0.05; };
    CalculateTax federalDelegate = delegate(double x) { if (x > 1000.0) return x * 0.02; else return 0.0; };
    double amountOfPurchase = 12.99;
    Console.WriteLine("{0}", stateDelegate(amountOfPurchase));
    Console.WriteLine("{0}", federalDelegate(amountOfPurchase));
    Console.In.ReadLine();
}