C++友元运算符重载

01 Dec 2021

#include<stdio.h>

class CTestOperator
{
public:
    
    CTestOperator();
    friend CTestOperator operator++(CTestOperator& t,int a);
    friend void Print(CTestOperator& t);

private:
    int x;
    int y;
    
};

void Print(CTestOperator& t)
{
    printf("%d\t%d\n", t.x, t.y);
}

CTestOperator::CTestOperator()
{
    this->x = 10;
    this->y = 20;
}

CTestOperator operator++(CTestOperator& t,int a)
{
    t.x++;
    t.y++;
    return t;
}

void test()
{
    CTestOperator t;
    Print(t);
    t++;
    Print(t);
}

int main()
{
    test();
    return 0;
}