text: #ifndef _GO_RUNTIME_TIME_H
  #define _GO_RUNTIME_TIME_H 1
  
  #include <thread>
  #include <chrono>
  
  namespace go_time {
  
  const std::chrono::duration<double> Nanosecond = std::chrono::nanoseconds(1);
  const std::chrono::duration<double> Microsecond = std::chrono::microseconds(1);
  const std::chrono::duration<double, std::milli> Millisecond = std::chrono::milliseconds(1);
  const std::chrono::duration<double> Second = std::chrono::seconds(1);
  const std::chrono::duration<double> Minute = std::chrono::minutes(1);
  const std::chrono::duration<double> Hour = std::chrono::hours(1);
  
  typedef std::chrono::duration<double> Duration;
  
  inline void Sleep(Duration d) {
      std::this_thread::sleep_for(d);
  }
  
  }
  
  #endif
  