template<typename Time = std::chrono::microseconds,
	typename Clock = std::chrono::high_resolution_clock>
	struct QuickTimer{
	template<typename F, typename... Args>
	static Time duration(F&& f, Args... args){
		auto start = Clock::now();
		std::invoke(std::forward<F>(f), std::forward<Args>(args)...);
		auto end = Clock::now();
		return std::chrono::duration_cast<Time>(end - start);
	}
};

//Usage:
using namespace std::chrono;
auto t = QuickTimer<>::duration(myFunction);
std::cout << duration<double, std::milli>(t).count() << "ms\n";
std::cout << duration<double, std::nano>(t).count() << "ns\n";