l9_1.cpp

来自「《C++程序设计教程》电子教案及例题源码」· C++ 代码 · 共 21 行

#include <iostream.h>
template <typename T>
void swap(T &x, T &y)
{
	T temp=x;
	x=y;
	y=temp;
}
void main(void)
{
	char a='A', b='B';
	int c=123, d=456;
	double x=12.3, y=45.6;
	swap(a, b);
	swap(c, d);
	swap(x, y);
	cout << a << "," << b << endl;
	cout << c << "," << d << endl;
	cout << x << "," << y << endl;
}