Ruby 4.1.0dev (2026-03-06 revision 9aca729140424bbf465c11ab8ab53e5cc6602c01)
constant_p.h
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1#ifndef RBIMPL_CONSTANT_P_H /*-*-C++-*-vi:se ft=cpp:*/
2#define RBIMPL_CONSTANT_P_H
30
32#if RBIMPL_HAS_BUILTIN(__builtin_constant_p)
33# define RBIMPL_CONSTANT_P(expr) __builtin_constant_p(expr)
34#else
35# define RBIMPL_CONSTANT_P(expr) 0
36#endif
37
38#endif /* RBIMPL_CONSTANT_P_H */
Defines RBIMPL_HAS_BUILTIN.