Ruby  3.4.0dev (2024-12-06 revision 892c46283a5ea4179500d951c9d4866c0051f27b)
nonnull.h
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1 #ifndef RBIMPL_ATTR_NONNULL_H /*-*-C++-*-vi:se ft=cpp:*/
2 #define RBIMPL_ATTR_NONNULL_H
24 
26 #if RBIMPL_HAS_ATTRIBUTE(nonnull)
27 # define RBIMPL_ATTR_NONNULL(list) __attribute__((__nonnull__ list))
28 # define RBIMPL_NONNULL_ARG(arg) RBIMPL_ASSERT_NOTHING
29 #else
30 # define RBIMPL_ATTR_NONNULL(list) /* void */
31 # define RBIMPL_NONNULL_ARG(arg) RUBY_ASSERT(arg)
32 #endif
33 
34 #endif /* RBIMPL_ATTR_NONNULL_H */
Defines RBIMPL_HAS_ATTRIBUTE.