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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/__ranges/data.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/__ranges/data.h')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__ranges/data.h | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h index 8060dd558a..b1a1ea9a3f 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h +++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h @@ -1,81 +1,81 @@ -// -*- C++ -*- -//===------------------------ __ranges/data.h ------------------------------===// -// -// 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___RANGES_DATA_H -#define _LIBCPP___RANGES_DATA_H - -#include <__config> -#include <__iterator/concepts.h> -#include <__iterator/iterator_traits.h> -#include <__memory/pointer_traits.h> -#include <__ranges/access.h> -#include <__utility/forward.h> -#include <concepts> -#include <type_traits> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -#if !defined(_LIBCPP_HAS_NO_RANGES) - -// clang-format off -namespace ranges { -// [range.prim.data] -namespace __data { - template <class _Tp> - concept __ptr_to_object = is_pointer_v<_Tp> && is_object_v<remove_pointer_t<_Tp>>; - - template <class _Tp> - concept __member_data = - requires(_Tp&& __t) { - { _VSTD::forward<_Tp>(__t) } -> __can_borrow; - { __t.data() } -> __ptr_to_object; - }; - - template <class _Tp> - concept __ranges_begin_invocable = - !__member_data<_Tp> && - requires(_Tp&& __t) { - { _VSTD::forward<_Tp>(__t) } -> __can_borrow; - { ranges::begin(_VSTD::forward<_Tp>(__t)) } -> contiguous_iterator; - }; - - struct __fn { - template <__member_data _Tp> - requires __can_borrow<_Tp> - _LIBCPP_HIDE_FROM_ABI - constexpr __ptr_to_object auto operator()(_Tp&& __t) const - noexcept(noexcept(__t.data())) { - return __t.data(); - } - - template<__ranges_begin_invocable _Tp> - requires __can_borrow<_Tp> - _LIBCPP_HIDE_FROM_ABI - constexpr __ptr_to_object auto operator()(_Tp&& __t) const - noexcept(noexcept(_VSTD::to_address(ranges::begin(_VSTD::forward<_Tp>(__t))))) { - return _VSTD::to_address(ranges::begin(_VSTD::forward<_Tp>(__t))); - } - }; -} // end namespace __data - -inline namespace __cpo { - inline constexpr auto data = __data::__fn{}; -} // namespace __cpo -} // namespace ranges - -// clang-format off - -#endif // !defined(_LIBCPP_HAS_NO_RANGES) - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP___RANGES_DATA_H +// -*- C++ -*- +//===------------------------ __ranges/data.h ------------------------------===// +// +// 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___RANGES_DATA_H +#define _LIBCPP___RANGES_DATA_H + +#include <__config> +#include <__iterator/concepts.h> +#include <__iterator/iterator_traits.h> +#include <__memory/pointer_traits.h> +#include <__ranges/access.h> +#include <__utility/forward.h> +#include <concepts> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if !defined(_LIBCPP_HAS_NO_RANGES) + +// clang-format off +namespace ranges { +// [range.prim.data] +namespace __data { + template <class _Tp> + concept __ptr_to_object = is_pointer_v<_Tp> && is_object_v<remove_pointer_t<_Tp>>; + + template <class _Tp> + concept __member_data = + requires(_Tp&& __t) { + { _VSTD::forward<_Tp>(__t) } -> __can_borrow; + { __t.data() } -> __ptr_to_object; + }; + + template <class _Tp> + concept __ranges_begin_invocable = + !__member_data<_Tp> && + requires(_Tp&& __t) { + { _VSTD::forward<_Tp>(__t) } -> __can_borrow; + { ranges::begin(_VSTD::forward<_Tp>(__t)) } -> contiguous_iterator; + }; + + struct __fn { + template <__member_data _Tp> + requires __can_borrow<_Tp> + _LIBCPP_HIDE_FROM_ABI + constexpr __ptr_to_object auto operator()(_Tp&& __t) const + noexcept(noexcept(__t.data())) { + return __t.data(); + } + + template<__ranges_begin_invocable _Tp> + requires __can_borrow<_Tp> + _LIBCPP_HIDE_FROM_ABI + constexpr __ptr_to_object auto operator()(_Tp&& __t) const + noexcept(noexcept(_VSTD::to_address(ranges::begin(_VSTD::forward<_Tp>(__t))))) { + return _VSTD::to_address(ranges::begin(_VSTD::forward<_Tp>(__t))); + } + }; +} // end namespace __data + +inline namespace __cpo { + inline constexpr auto data = __data::__fn{}; +} // namespace __cpo +} // namespace ranges + +// clang-format off + +#endif // !defined(_LIBCPP_HAS_NO_RANGES) + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___RANGES_DATA_H |