//This allows black box modules to easily specify a pipeline latency by intializing their queues
template <typename T>
constexpr std::deque<T>  func(int n)
{
    std::deque<T> ret;
    for(int i=0; i < n; i++)
	ret.push_back(T());
    return ret;
}

#define PIPELINE(T,x) \
	static std::deque<__typeof__(T)> deq_##T = func<__typeof__(T)>(x); \
	deq_##T.push_back(T); \
	T = deq_##T.front(); \
	deq_##T.pop_front();