#include <iostream>
#include <iomanip>
#include <chrono>
#include <thread>

using namespace std::chrono_literals;

void testerFunction(void (foo(void))) {

    auto start = std::chrono::high_resolution_clock::now();

    foo();

    auto end = std::chrono::high_resolution_clock::now();
    std::chrono::duration<double, std::milli> elapsed = end-start;

    std::cout << "Time taken: " << std::setprecision(16) << elapsed.count() << " s\n";
}

// Some function

void f() {
    std::this_thread::sleep_for(2s);
}

int main() {

    testerFunction(f);

    return 0;
}