C++(11)：模板参数类型推导之通用引用

通过通用引用传递模板参数：

#include 
#include 
using namespace std;

template
void fn(T&& param)
{
	cout<<" "<::value;
	cout<<" "<::value;
	cout<<" "<::value;
	cout<<" "<::value;
	cout<<" "<::value<<"，";


	cout<<" "<::value;
	cout<<" "<::value;
	cout<<" "<::value;
	cout<<" "<::value;
	cout<<" "<::value<