后、前++操作符重载

 1 
#include<iostream>
 2 using namespace std;
 3 class test{
 4 int mvalue;
 5 public:
 6         test(int i){
 7                 mvalue = i;
 8         }
 9         int value(){
10                 return mvalue;
11         }
12         test& operator++(){
13                 ++mvalue;
14                 return *this;
15         }
16         //后++
17         test operator++(int){
18                 //临时对象
19                 test ret(mvalue);
20                 mvalue++;
21                 return ret;
22         }
23 };
24 int main(){
25         test t(0);
26         test tt = t++;
27 
28         cout << tt.value() << endl;
29         cout << t.value() << endl;
30         return 0;
31 }
32 //运行结果
33 0
34 1