demo_function_template_3.cpp

对于一个初涉VC＋＋的人来书

#include<iostream.h>

template <typename T>
void swap(T& x, T& y)
{
	T temp;
	temp=x;
	x=y;
	y=temp;
}

void main()
{
	int a=5,b=6;
	double c=5.5,d=6.6;

	cout<<a<<","<<b<<endl;
	swap(a,b);
	cout<<a<<","<<b<<endl;

	cout<<c<<","<<d<<endl;
	swap(c,d);
	cout<<c<<","<<d<<endl;
}