unused.h

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#pragma once
 
#if !defined(__clang__) && defined(__GNUC__)
#define unused_noeval(x) (_unused_helper(true ? (intptr_t)0 : (intptr_t)(x)))
#include <stdint.h>
__attribute__((always_inline)) inline int _unused_helper(intptr_t _dummy)
{
    (void)_dummy;
    return 0;
}
#else
#define unused_noeval(x) (true ? (void)0 : (void)(x))
#endif
 
#define nop_stmt ((void)0)