assert.h

#pragma once
 
#include <cgv/defines/join.h>
 
namespace cgv {
    namespace defines {
 
template <bool x> struct STATIC_ASSERTION_FAILURE;
template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; };
template<int x> struct static_assert_test{};
 
    }
}
 
#define CGV_DEFINES_ASSERT( ... ) \
    typedef ::cgv::defines::static_assert_test<\
      sizeof(::cgv::defines::STATIC_ASSERTION_FAILURE< (bool)( __VA_ARGS__ ) >)>\
         CGV_DEFINES_JOIN(_static_assert_test_, __LINE__);
 
// use (void) to silence unused warnings
#define assertm(exp, msg) assert(((void)msg, exp))