C++ 46 之 关系运算符的重载

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

class Students06{
public:
    string m_name;
    int m_age;
    Students06(string name, int age){
        this->m_name = name;
        this->m_age = age;
    }

    // 重载了 ==
    bool operator==(Students06 &stu){
        if(this->m_name == stu.m_name && this->m_age == stu.m_age){
            return true;
        }
        else{
            return false;
        }
    }

    // 重载了 !=
    // this->m_name == stu.m_name && this->m_age == stu.m_age 词语会自动返回 true 或 false
    bool operator!=(Students06 &stu){
        return !(this->m_name == stu.m_name && this->m_age == stu.m_age);
    }    
};


int main()
{
    // int a = 10;
    // int b = 20;
    // if(a==b)
    // {
    //     cout << "a==b" << endl;
    // }    
    // else{
    //     cout<< "a != b" << endl;
    // }


    Students06 stu1("四",18);
    Students06 stu2("五",18);
    // if(stu1 == stu2){
    //     cout << "stu1 == stu2"<< endl;
    // }
    // else{
    //     cout << "stu1 != stu2"<< endl;
    // }

    if(stu1 != stu2){
        cout << "stu1!=stu2"<< endl;
    }
    else{
        cout<< "stu1 == stu2" << endl;
    }

    return 0;
}