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Add STATIC_ASSERT() macro and use it

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kwolekr 2015-10-27 22:27:32 -04:00
parent c56d7fe0eb
commit 688556a5d1
2 changed files with 9 additions and 2 deletions
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5
src/basicmacros.h
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@ -38,4 +38,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
C(const C &); \
C &operator=(const C &)
// Fail compilation if condition expr is not met.
// Note that 'msg' must follow the format of a valid identifier, e.g.
// STATIC_ASSERT(sizeof(foobar_t) == 40), foobar_t_is_wrong_size);
#define STATIC_ASSERT(expr, msg) typedef char msg[!!(expr) * 2 - 1]
#endif