counter.cpp

#include <iostream>

template<int _N>
struct Base
{
 	Base()
  	{
		std::cout << _N << std::endl;
	}
};

template<int _N>
struct B : Base<_N>
{
	B<_N - 1> b;
};

template<>
struct B<0> : Base<0>
{};

int main(int, char**)
{
	B<31> b;
	return 0;
}