Pipeliner prototype for the composition of many functions to be called on many objects.

Pipeliner

template<typename T>
struct ThreadWrapper {
	/* ... */
};

template<typename T, typename Ts...>
class PipelineFunctions {
public:
	
	PipelineFunctions() {
		/* ... */
	}
	
	template<typename U>
	decltype(auto) operator(const std::vector<U>& vec) {
		std::vector<Last<T, Ts...>::type(vec.front())> result;
		for(const auto& value: vec) {
			threads[0].send(value);
		}
		result.push_back(threads[sizeof...(Ts)].get());
	}
	
private:
	std::array<ThreadWrapper, sizeof...(Ts)+1> threads;
};