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1 : // -*- C++ -*-
2 : //===----------------------------------------------------------------------===//
3 : //
4 : // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 : // See https://llvm.org/LICENSE.txt for license information.
6 : // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 : //
8 : //===----------------------------------------------------------------------===//
9 :
10 : #ifndef _LIBCPP___MEMORY_VOIDIFY_H
11 : #define _LIBCPP___MEMORY_VOIDIFY_H
12 :
13 : #include <__config>
14 : #include <__memory/addressof.h>
15 :
16 : #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 : # pragma GCC system_header
18 : #endif
19 :
20 : _LIBCPP_BEGIN_NAMESPACE_STD
21 :
22 : template <typename _Tp>
23 0 : _LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void* __voidify(_Tp& __from) {
24 : // Cast away cv-qualifiers to allow modifying elements of a range through const iterators.
25 0 : return const_cast<void*>(static_cast<const volatile void*>(_VSTD::addressof(__from)));
26 : }
27 :
28 : _LIBCPP_END_NAMESPACE_STD
29 :
30 : #endif // _LIBCPP___MEMORY_VOIDIFY_H
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