text: #pragma once
  #ifndef _SHARPEN_TIMERIMPL_HPP
  #define _SHARPEN_TIMERIMPL_HPP
  
  #include "SystemMacro.hpp"
  #include "WinTimer.hpp"
  #include "LinuxTimer.hpp"
  
  namespace sharpen
  {
  #ifdef SHARPEN_IS_WIN
      using TimerImpl = sharpen::WinTimer;
  #else
      using TimerImpl = sharpen::LinuxTimer;
  #endif
  }
  
  #endif