assert() with message

Question

I saw somewhere assert used with a message in the following way:

assert((\"message\", condition));

This seems to work great, except that gc

Answer 1

By tradition, (void) communicates to the compiler that you are knowingly ignoring an expression:

/* picard.c, TNG S6E11. */
#define assertmsg(x, msg) assert(((void) msg, x))
assertmsg(2+2==5, "There! are! four! lights!");