07_04.cpp

一些C++的课件和实验源代码

// 07_04.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
class A
{
	int _val;
public:
	A()			{ _val = 0; }
	A(int val)	{ _val = val; }
	
	int operator + (int n){	return _val + n; }
//	int operator + (A a){ return _val + a._val;	}
	A operator + (A a){
		A temp(0);
		temp._val = _val + a._val;
		return temp;
	}
	void operator = (int n){ _val = n;	}
	void operator = (A a){	_val = a._val;	}
	void operator ++ (){ _val ++; }
	void operator -- (){ _val --; }
};

int main(int argc, char* argv[])
{
	A a1(10), a2(22), a3;
	
	++a1;
	--a2;
	a3 = a2 + 10;
	a3 = a1 + a2;

	return 0;
}