C++11 timer

timer.cpp

#include <iostream>
#include <chrono>

using namespace std;

// Based on http://stackoverflow.com/a/5524138/420250
int main()
{
    typedef std::chrono::high_resolution_clock Clock;
    using FpMilliseconds = std::chrono::duration<float, std::chrono::milliseconds::period>;
    
    auto t1 = Clock::now();
    cout << "... working ... "<< endl;
    auto t2 = Clock::now();
    cout << std::chrono::duration_cast<FpMilliseconds>(t2 - t1).count() << "ms"<< endl;
}