prog2.cpp

来自「C++语言程序设计题典」· C++ 代码 · 共 25 行

#include <iostream.h>
template <class T>
class Sample
{
	T n;
public:
	Sample() {}
	Sample(T i) { n=i; }
	Sample<T> & operator+(const Sample<T> &);
	void disp() { cout << "n=" << n << endl; }
};
template <class T>
Sample<T> & Sample<T>::operator+(const Sample<T> &s)
{
	static Sample<T> temp;
	temp.n=n+s.n;
	return temp;
}
void main()
{
	Sample<int> s1(10),s2(20),s3;
	s3=s1+s2;
	s3.disp();
}