snippet for time profiling

main.cpp

#include <iostream>
#include <chrono>

int main()
{
	auto t1 = std::chrono::high_resolution_clock::now(); //Used in testing execution duration.
	auto t2 = std::chrono::high_resolution_clock::now();

	std::cout << "test function took "
		<< std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1).count()
		<< " nanoseconds\n";
    
}