text: #ifndef IULIB_H__
  #define IULIB_H__
  
  #if (defined _WINDOWS)
  #   define IU_WINDOWS 1
  #elif (defined __APPLE__ && defined __MACH__)
  #   define IU_MACOS 1
  #endif
  
  #if (IU_WINDOWS)
  #   define WIN32_LEAN_AND_MEAN
  #   define NOMINMAX
  #   include <windows.h>
  #   if (defined _MSC_VER)
  typedef short int16_t;
  #   endif
  #elif (IU_MACOS)
  #   include <stdint.h>
  #endif
  
  #include <cassert>
  #include <algorithm>
  
  #endif
  