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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-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___CXX03___MEMORY_VOIDIFY_H11#define _LIBCPP___CXX03___MEMORY_VOIDIFY_H12 13#include <__cxx03/__config>14#include <__cxx03/__memory/addressof.h>15 16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)17# pragma GCC system_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22template <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_STD29 30#endif // _LIBCPP___CXX03___MEMORY_VOIDIFY_H31