Neat TIMER macro for C++11

timer.hpp

# GPLv3 iyadahmed430@gmail.com (Iyad Ahmed)

#pragma once

#include <chrono>
#include <functional>

void time_function(const char *message, std::function<void()> function)
{
  auto start = std::chrono::high_resolution_clock::now();
  function();
  auto end = std::chrono::high_resolution_clock::now();
  std::cout << message << " took "
            << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << "ms"
            << std::endl;
}

#define TIMER(message, code) time_function(message, [&]() { code });