18 startTime = std::chrono::steady_clock::now();
29 stopTime = std::chrono::steady_clock::now();
30 return std::chrono::duration_cast<std::chrono::milliseconds>(
stopTime -
startTime).count();
std::chrono::steady_clock::rep elapsedTime()
std::chrono::steady_clock::time_point stopTime
std::chrono::steady_clock::time_point startTime