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clang-p2996/libcxx/include/__cxx03/__memory/voidify.h
Nikolas Klauser 73fbae8383 [libc++][C++03] Fix libc++ includes (#109000)
This is part of the "Freezing C++03 headers" proposal explained in
https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319/58.

This patch updates the include paths used in `__cxx03/` to refer to the
`__cxx03/` headers.
2024-10-31 12:10:20 +01:00

31 lines
1016 B
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___MEMORY_VOIDIFY_H
#define _LIBCPP___MEMORY_VOIDIFY_H
#include <__cxx03/__config>
#include <__cxx03/__memory/addressof.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <typename _Tp>
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void* __voidify(_Tp& __from) {
// Cast away cv-qualifiers to allow modifying elements of a range through const iterators.
return const_cast<void*>(static_cast<const volatile void*>(std::addressof(__from)));
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___MEMORY_VOIDIFY_H