copy_ref.cc

来自「做为SD0609的一员,我扎实的基础是如何打出来的,来看看我那时连猴子选大王都不」· CC 代码 · 共 34 行

#include <iostream>
using namespace std;

class A{
	int data;
public:
	A(){cout << "A()" << endl;}
	A(const A&ca){cout<<"A(const A&)" << endl;}
	~A(){cout<<"~A()"<<endl;}
	void showAddress(){cout<<this<<endl;}
	A& getMyself(){return *this;}
	A getCopy(){return *this;}
};
int main()
{
	cout << "========1========" << endl;
	A a1;
	cout << "&a1=" << &a1 << endl;
	a1.showAddress();
	cout << "========2========" << endl;
	A a2=a1;
	cout << "&a2=" << &a2 << endl;
	a2.showAddress();
	cout << "========3========" << endl;
	a1.getMyself().showAddress();
	cout << "========4========" << endl;
	a1.getCopy().showAddress();
	cout << "========5========" << endl;
	A();
	cout << "========6========" << endl;
	return 0;
}