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ðŸ“ ..
ðŸ“„ alloc_size.h(1.64 KB)
ðŸ“„ artificial.h(2.4 KB)
ðŸ“„ cold.h(1.82 KB)
ðŸ“„ const.h(2.16 KB)
ðŸ“„ constexpr.h(3.44 KB)
ðŸ“„ deprecated.h(3.31 KB)
ðŸ“„ diagnose_if.h(1.96 KB)
ðŸ“„ enum_extensibility.h(1.68 KB)
ðŸ“„ error.h(1.6 KB)
ðŸ“„ flag_enum.h(1.69 KB)
ðŸ“„ forceinline.h(1.98 KB)
ðŸ“„ format.h(1.75 KB)
ðŸ“„ maybe_unused.h(1.89 KB)
ðŸ“„ noalias.h(3.46 KB)
ðŸ“„ nodiscard.h(2.17 KB)
ðŸ“„ noexcept.h(4.17 KB)
ðŸ“„ noinline.h(1.75 KB)
ðŸ“„ nonnull.h(1.72 KB)
ðŸ“„ noreturn.h(2.09 KB)
ðŸ“„ packed_struct.h(2.07 KB)
ðŸ“„ pure.h(1.95 KB)
ðŸ“„ restrict.h(2.07 KB)
ðŸ“„ returns_nonnull.h(1.77 KB)
ðŸ“„ warning.h(1.61 KB)
ðŸ“„ weakref.h(1.61 KB)

Editing: nonnull.h

#ifndef RBIMPL_ATTR_NONNULL_H                        /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_ATTR_NONNULL_H
/**
 * @file
 * @author     Ruby developers <ruby-core@ruby-lang.org>
 * @copyright  This  file  is   a  part  of  the   programming  language  Ruby.
 *             Permission  is hereby  granted,  to  either redistribute  and/or
 *             modify this file, provided that  the conditions mentioned in the
 *             file COPYING are met.  Consult the file for details.
 * @warning    Symbols   prefixed  with   either  `RBIMPL`   or  `rbimpl`   are
 *             implementation details.   Don't take  them as canon.  They could
 *             rapidly appear then vanish.  The name (path) of this header file
 *             is also an  implementation detail.  Do not expect  it to persist
 *             at the place it is now.  Developers are free to move it anywhere
 *             anytime at will.
 * @note       To  ruby-core:  remember  that   this  header  can  be  possibly
 *             recursively included  from extension  libraries written  in C++.
 *             Do not  expect for  instance `__VA_ARGS__` is  always available.
 *             We assume C99  for ruby itself but we don't  assume languages of
 *             extension libraries.  They could be written in C++98.
 * @brief      Defines #RBIMPL_ATTR_NONNULL.
 */
#include "ruby/internal/has/attribute.h"

/** Wraps (or simulates) `__attribute__((nonnull))` */
#if RBIMPL_HAS_ATTRIBUTE(nonnull)
# define RBIMPL_ATTR_NONNULL(list) __attribute__((__nonnull__ list))
# define RBIMPL_NONNULL_ARG(arg) RBIMPL_ASSERT_NOTHING
#else
# define RBIMPL_ATTR_NONNULL(list) /* void */
# define RBIMPL_NONNULL_ARG(arg) RUBY_ASSERT(arg)
#endif

#endif /* RBIMPL_ATTR_NONNULL_H */

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