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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___CXX03___MEMORY_VOIDIFY_H |
| 11 | #define _LIBCPP___CXX03___MEMORY_VOIDIFY_H |
| 12 | |
| 13 | #include <__cxx03/__config> |
| 14 | #include <__cxx03/__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 | _LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI void* __voidify(_Tp& __from) { |
| 24 | // Cast away cv-qualifiers to allow modifying elements of a range through const iterators. |
| 25 | return const_cast<void*>(static_cast<const volatile void*>(std::addressof(__from))); |
| 26 | } |
| 27 | |
| 28 | _LIBCPP_END_NAMESPACE_STD |
| 29 | |
| 30 | #endif // _LIBCPP___CXX03___MEMORY_VOIDIFY_H |
| 31 |
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