#ifndef TIMER_H
#define TIMER_H

#include <string>
#include <chrono>

class Timer
{
public:
  Timer(std::string const& message = "")
    : message{message}, start{std::steady_clock::now()}
  { }

  ~Timer()
  {
    std::cout << message << tock() << std::endl;
  }

  Timer(Timer const&) = delete;
  Timer(Timer&&) = delete;
  
  int tock() const
  {
    return std::duration_cast<std::chrono::milliseconds>(std::steady_clock::now() - start).count();
  }

  void tick()
  {
    start = std::steady_clock::now();
  }

private:
  std::string message;
  std::chrono::steady_clock::time_point start;
};

#endif//TIMER_H