Ruby  3.4.0dev (2024-11-05 revision 348a53415339076afc4a02fcd09f3ae36e9c4c61)
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.