_static_assert.h

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#ifndef _RWSTD_RW_STATIC_ASSERT_H_INCLUDED
#define _RWSTD_RW_STATIC_ASSERT_H_INCLUDED
 
#include <rw/_defs.h>
 
_RWSTD_NAMESPACE (__rw) {
 
template <bool _Cond>
struct __rw_static_assert
{
};
 
template <bool _Cond>
struct __rw_assert_failed;
 
template <>
struct __rw_assert_failed<true>
{
};
 
} // namespace __rw
 
#ifndef _RWSTD_NO_STATIC_ASSERT
#  define _RWSTD_STATIC_ASSERT(Cond,Mesg) static_assert(Cond, Mesg)
#else
#  define _RWSTD_STATIC_ASSERT(Cond,Mesg)                                  \
   typedef                                                                 \
   _RW::__rw_static_assert<sizeof (_RW::__rw_assert_failed<(Cond)>) != 0>  \
       _RWSTD_PASTE(__static_assert,__LINE__)
#endif   // _RWSTD_NO_STATIC_ASSERT
 
#endif   // _RWSTD_RW_STATIC_ASSERT_H_INCLUDED