operator =

转载于 2012-07-09 17:58:50 发布 · 204 阅读

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#include #delete

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#include <iostream>
using namespace std;
class num
{
public:
	num(){n=new int;}
	num(int i){n=new int;*n=i;}
	~num(){delete n;n=0;}
	int get()const{return *n;}
	int set(int x){*n=x;}
	const num &operator=(const num&r)
	{
		if(this==&r)
			return *this;
		*n=r.get();return *this;
	}
private:
	int *n;
};
int main()
{
	return 0;
}