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author | Andrey Khalyavin <halyavin@gmail.com> | 2022-02-10 16:46:29 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:29 +0300 |
commit | f773626848a7c7456803654292e716b83d69cc12 (patch) | |
tree | db052dfcf9134f492bdbb962cb6c16cea58e1ed3 /contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h | |
parent | f43ab775d197d300eb67bd4497632b909cd7c2a5 (diff) | |
download | ydb-f773626848a7c7456803654292e716b83d69cc12.tar.gz |
Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h b/contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h index 789677d7a6..720fce96b9 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h +++ b/contrib/libs/cxxsupp/libcxx/include/__memory/construct_at.h @@ -1,85 +1,85 @@ -// -*- 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_CONSTRUCT_AT_H -#define _LIBCPP___MEMORY_CONSTRUCT_AT_H - -#include <__config> -#include <__debug> -#include <__iterator/access.h> -#include <__memory/addressof.h> -#include <__utility/forward.h> -#include <type_traits> -#include <utility> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -// construct_at - -#if _LIBCPP_STD_VER > 17 - -template<class _Tp, class ..._Args, class = decltype( - ::new (declval<void*>()) _Tp(declval<_Args>()...) -)> -_LIBCPP_INLINE_VISIBILITY -constexpr _Tp* construct_at(_Tp* __location, _Args&& ...__args) { - _LIBCPP_ASSERT(__location, "null pointer given to construct_at"); - return ::new ((void*)__location) _Tp(_VSTD::forward<_Args>(__args)...); -} - -#endif - -// destroy_at - -#if _LIBCPP_STD_VER > 14 - -template <class _ForwardIterator> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 -void destroy(_ForwardIterator, _ForwardIterator); - -template <class _Tp, enable_if_t<!is_array_v<_Tp>, int> = 0> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 -void destroy_at(_Tp* __loc) { - _LIBCPP_ASSERT(__loc, "null pointer given to destroy_at"); - __loc->~_Tp(); -} - -#if _LIBCPP_STD_VER > 17 -template <class _Tp, enable_if_t<is_array_v<_Tp>, int> = 0> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 -void destroy_at(_Tp* __loc) { - _LIBCPP_ASSERT(__loc, "null pointer given to destroy_at"); - _VSTD::destroy(_VSTD::begin(*__loc), _VSTD::end(*__loc)); -} -#endif - -template <class _ForwardIterator> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 -void destroy(_ForwardIterator __first, _ForwardIterator __last) { - for (; __first != __last; ++__first) - _VSTD::destroy_at(_VSTD::addressof(*__first)); -} - -template <class _ForwardIterator, class _Size> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 -_ForwardIterator destroy_n(_ForwardIterator __first, _Size __n) { - for (; __n > 0; (void)++__first, --__n) - _VSTD::destroy_at(_VSTD::addressof(*__first)); - return __first; -} - -#endif - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP___MEMORY_CONSTRUCT_AT_H +// -*- 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_CONSTRUCT_AT_H +#define _LIBCPP___MEMORY_CONSTRUCT_AT_H + +#include <__config> +#include <__debug> +#include <__iterator/access.h> +#include <__memory/addressof.h> +#include <__utility/forward.h> +#include <type_traits> +#include <utility> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +// construct_at + +#if _LIBCPP_STD_VER > 17 + +template<class _Tp, class ..._Args, class = decltype( + ::new (declval<void*>()) _Tp(declval<_Args>()...) +)> +_LIBCPP_INLINE_VISIBILITY +constexpr _Tp* construct_at(_Tp* __location, _Args&& ...__args) { + _LIBCPP_ASSERT(__location, "null pointer given to construct_at"); + return ::new ((void*)__location) _Tp(_VSTD::forward<_Args>(__args)...); +} + +#endif + +// destroy_at + +#if _LIBCPP_STD_VER > 14 + +template <class _ForwardIterator> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 +void destroy(_ForwardIterator, _ForwardIterator); + +template <class _Tp, enable_if_t<!is_array_v<_Tp>, int> = 0> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 +void destroy_at(_Tp* __loc) { + _LIBCPP_ASSERT(__loc, "null pointer given to destroy_at"); + __loc->~_Tp(); +} + +#if _LIBCPP_STD_VER > 17 +template <class _Tp, enable_if_t<is_array_v<_Tp>, int> = 0> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 +void destroy_at(_Tp* __loc) { + _LIBCPP_ASSERT(__loc, "null pointer given to destroy_at"); + _VSTD::destroy(_VSTD::begin(*__loc), _VSTD::end(*__loc)); +} +#endif + +template <class _ForwardIterator> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 +void destroy(_ForwardIterator __first, _ForwardIterator __last) { + for (; __first != __last; ++__first) + _VSTD::destroy_at(_VSTD::addressof(*__first)); +} + +template <class _ForwardIterator, class _Size> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 +_ForwardIterator destroy_n(_ForwardIterator __first, _Size __n) { + for (; __n > 0; (void)++__first, --__n) + _VSTD::destroy_at(_VSTD::addressof(*__first)); + return __first; +} + +#endif + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___MEMORY_CONSTRUCT_AT_H |