C++ - Wiederholungen mit Templates

#include <iostream>
using namespace std;

template<int DoNTimes, class Action>
class NTimes
{
public:
	void operator()()
	{
		NTimes<DoNTimes-1,Action>()();
		Action()();
	}
};

template<class Action>
class NTimes<1,Action>
{
public:
	void operator()()
	{
		Action()();
	}
};

class HelloWorld
{
public:
	void operator()()
	{
		cout<<"Hallo Welt!"<<endl;
	}
};


void main()
{
	NTimes<3, HelloWorld>()();
	system("pause");
}