c++运算符重载

#include<iostream>
#include<string>
using namespace std;

class person
{
public:
    //成员函数实现 + 号运算符重载
    person operator+(person&p)
    {
        person temp;
        temp.A=this->A+p.A;
        temp.B=this->B+p.B;
        return temp;
    }
public:
    int A;
    int B;
};
//全局函数实现 + 号运算符重载

    Person operator+(const Person& p1, const Person& p2)
     {
    Person temp(0, 0);
    temp.m_A = p1.m_A + p2.m_A;
    temp.m_B = p1.m_B + p2.m_B;
    return temp;
    }


void text()
{
    person p1;
    p1.A=10;
    p1.B=10;

    person p2;
    p2.A=10;
    p2.B=10;

    person p3=p1+p2;
    cout<<"p3.A= "<<p3.A<<endl;
    cout<<"p3.B= "<<p3.B<<endl;
}
int main()
{
text();
}