Ruby  3.1.4p223 (2023-03-30 revision HEAD)
enum_extensibility.h
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1 #ifndef RBIMPL_ATTR_ENUM_EXTENSIBILITY_H /*-*-C++-*-vi:se ft=cpp:*/
2 #define RBIMPL_ATTR_ENUM_EXTENSIBILITY_H
24 
26 #if RBIMPL_HAS_ATTRIBUTE(enum_extensibility)
27 # define RBIMPL_ATTR_ENUM_EXTENSIBILITY(_) __attribute__((__enum_extensibility__(_)))
28 #else
29 # define RBIMPL_ATTR_ENUM_EXTENSIBILITY(_) /* void */
30 #endif
31 
32 #endif /* RBIMPL_ATTR_ENUM_EXTENSIBILITY_H */
Defines RBIMPL_HAS_ATTRIBUTE.