C++（五十） — 容器中元素满足的条件

　　容器中的内容必须满足三个条件：

• （1）无参构造函数
• （2）拷贝构造函数
• （3）重载 = 运算符

#define  _CRT_SECURE_NO_WARNINGS

#include <iostream>

#include <algorithm>

#include <vector>

#include<functional>

using namespace std;

class Teacher

{

public:

    Teacher(char *name, int age)

    {

        m_name = new char[strlen(name) + ];

        strcpy(m_name, name);

        m_age = age;

    }

    ~Teacher()

    {

        if (m_name != nullptr)

        {

            delete[]m_name;

            m_name = nullptr;

            m_age = ;

        }

    }

    Teacher(const Teacher &obj)

    {

        m_name = new char[strlen(obj.m_name) + ];

        strcpy(m_name, obj.m_name);

        m_age = obj.m_age;

    }

    // 重载等号操作符

    Teacher& operator+(const Teacher &obj)

    {

        if (m_name != nullptr)

        {

            delete[]m_name;

            m_name = nullptr;

            m_age = ;

        }

        m_name = new char[strlen(obj.m_name) + ];

        strcpy(m_name, obj.m_name);

        m_age = obj.m_age;

        return *this;

    }

    void printT()

    {

        cout << m_name << "   " << m_age << endl;

    }

private:

    char *m_name;

    int m_age;

};

/*

//容器必须满足三个条件

（1）无参构造函数

（2）拷贝构造函数

（3）重载 = 运算符

*/

int main()

{

    Teacher t1("t1", );

    vector<Teacher> v1;

    v1.push_back(t1);

    t1.printT();

    system("pause");

    return ;

}