Ruby 3.2.1p31 (2023-02-08 revision 31819e82c88c6f8ecfaeb162519bfa26a14b21fd)
maybe_unused.h
Go to the documentation of this file.
1#ifndef RBIMPL_ATTR_MAYBE_UNUSED_H /*-*-C++-*-vi:se ft=cpp:*/
2#define RBIMPL_ATTR_MAYBE_UNUSED_H
26
28#if RBIMPL_HAS_CPP_ATTRIBUTE(maybe_unused)
29# define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
30#elif RBIMPL_HAS_C_ATTRIBUTE(maybe_unused)
31# define RBIMPL_ATTR_MAYBE_UNUSED() [[maybe_unused]]
32#elif RBIMPL_HAS_ATTRIBUTE(unused)
33# define RBIMPL_ATTR_MAYBE_UNUSED() __attribute__((__unused__))
34#else
35# define RBIMPL_ATTR_MAYBE_UNUSED() /* void */
36#endif
37
38#endif /* RBIMPL_ATTR_MAYBE_UNUSED */
Defines RBIMPL_HAS_ATTRIBUTE.
Defines RBIMPL_HAS_C_ATTRIBUTE.
Defines RBIMPL_HAS_CPP_ATTRIBUTE.