操作符重栽

//操作符重栽
//2004.9.4
using System;
class Complex {
 double r, v;
 public Complex(double r, double v) {
  this.r = r;
  this.v = v;
 }
 //重栽加法操作符（二元）
 public static Complex operator + (Complex a, Complex b) {
  return new Complex(a.r+b.r, a.v+b.v);
 }
 //重栽负号操作符（一元）
 public static Complex operator - (Complex a) {
  return new Complex(-a.r,-a.v);
 }
 //重栽自增操作符（一元）
 public static Complex operator ++ (Complex a) {
  double r = a.r + 1;
  double v = a.v + 1;
  return new Complex(r, v);
 }
 public void Print() {
  Console.WriteLine(r + "," + v);
 }
}
//执行类
class Test {
 public static void Main() {
  Complex a = new Complex(3,4);
  Complex b = new Complex(5,6);
  Complex c = -a;
  c.Print();
  Complex d = a + b;
  d.Print();
  a.Print();
  Complex e = a++;
  a.Print();
  e.Print();
  Complex f = ++a;
  a.Print();
  f.Print();
 }
}