The Purpose of ((void)0) in C++ Assert Macros
The assert macro in C++ is defined conditionally based on the presence of the NDEBUG macro. In release builds, where NDEBUG is defined, it expands to ((void)0).
#ifdef NDEBUG
#define assert(condition) ((void)0)
#else
// Debug-mode implementation
#endif
The expressino ((void)0) involves an explicit cast of the integer literal 0 to the v ...
Posted on Wed, 24 Jun 2026 16:35:40 +0000 by Whear