MATLAB-style tictoc, simple timing functions for C++

tictoc.h

#pragma once

#include <chrono>
#include <iostream>

using Clock = std::chrono::high_resolution_clock;

static Clock::time_point t0 = Clock::now();

void tic() { t0 = Clock::now(); }

void toc() {
  Clock::time_point t1 = Clock::now();
  auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0);
  auto us = std::chrono::duration_cast<std::chrono::microseconds>(t1 - t0);
  std::cout << ms.count() << " ms, " << us.count() << " us\n";
}