// AssignmentOperatorTest.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <iostream>
#include <typeinfo>
using namespace std;
class point
{
public:
point(float x=0.0,float y=0.0)
{}
inline virtual point& operator =(const point &p);
protected:
float _x,_y;
};
inline point& point::operator =(const point &p)
{
cout<<"i am point"<<endl;
_x=p._x;//protected
_y=p._y;
return *this;
}
class point3d:public point
{
public:
inline virtual point3d& operator =(const point3d &p)
{
cout<<"i am point3d"<<endl;
return *this;
}
};
int _tmain(int argc, _TCHAR* argv[])
{
point3d pt3;
point &pp=pt3;
pp.operator =(pt3);
cout<<typeid(pp).name()<<endl;
getchar();
return 0;
}