C++ - 默认生成的成员函数

默认生成的成员函数

/*
* test.cpp
*
*  Created on: 2014.04.14
*      Author: Spike
*/

/*eclipse cdt, gcc 4.8.1*/

#include <iostream>
#include <string>

using namespace std;

class Foo {
public:
Foo(std::string _name) : m_name(_name) {};
void say() { std::cout << m_name << std::endl;}
Foo(const Foo&) = default; //delete表示删除, default表示使用默认
Foo& operator=(const Foo&) = default;
~Foo() = default;
private:
std::string m_name;
};

int main() {
Foo F1("Wang");
Foo F2(F1);
Foo F3 = F2;
F2.say();
F3.say();
return 0;
}

Wang
Wang