c++递增运算符重载（某马）

#define _CRT_SECURE_NO_WARNINGS
#include
using namespace std;

class MyInter
{
    friend ostream& operator<<(ostream& cout, MyInter& myInt);
public:
    MyInter()
    {
        m_Num = 0;
    }

    //前置++ 重载
    MyInter& operator++()
    {
        this->m_Num++;
        return *this;
    }

    //后置++ 重载
    MyInter operator++(int)
    {
        //先记录初始状态
        MyInter temp = *this;

        this->m_Num++;

        return temp;
    }

private:
    int m_Num;
};


ostream& operator<<(ostream& cout , MyInter& myInt)
{
    cout << myInt.m_Num;
    return cout;
}

void test01()
{
    MyInter myInt;
    cout << ++(++myInt) << endl; 
    cout << myInt << endl; 
}

void test02()
{
    MyInter myInt;

    cout << myInt++ << endl;
    cout << myInt << endl;

}

int main(){
    //test01();
    test02();


    //int a = 0;
    //cout << ++(++a) << endl;
    //cout << a << endl;

    //int b = 0;
    //cout << (b++)++ << endl;

    system("pause");
    return EXIT_SUCCESS;
}