Mercurial > hg > CbC > CbC_llvm
view libcxx/include/__algorithm/ranges_copy_backward.h @ 236:c4bab56944e8 llvm-original
LLVM 16
author | kono |
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date | Wed, 09 Nov 2022 17:45:10 +0900 (2022-11-09) |
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children | 1f2b6ac9f198 |
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//===----------------------------------------------------------------------===// // // 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___ALGORITHM_RANGES_COPY_BACKWARD_H #define _LIBCPP___ALGORITHM_RANGES_COPY_BACKWARD_H #include <__algorithm/copy_backward.h> #include <__algorithm/in_out_result.h> #include <__algorithm/iterator_operations.h> #include <__config> #include <__iterator/concepts.h> #include <__iterator/reverse_iterator.h> #include <__ranges/access.h> #include <__ranges/concepts.h> #include <__ranges/dangling.h> #include <__utility/move.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif #if _LIBCPP_STD_VER > 17 _LIBCPP_BEGIN_NAMESPACE_STD namespace ranges { template<class _Ip, class _Op> using copy_backward_result = in_out_result<_Ip, _Op>; namespace __copy_backward { struct __fn { template <bidirectional_iterator _InIter1, sentinel_for<_InIter1> _Sent1, bidirectional_iterator _InIter2> requires indirectly_copyable<_InIter1, _InIter2> _LIBCPP_HIDE_FROM_ABI constexpr copy_backward_result<_InIter1, _InIter2> operator()(_InIter1 __first, _Sent1 __last, _InIter2 __result) const { auto __ret = std::__copy_backward<_RangeAlgPolicy>(std::move(__first), std::move(__last), std::move(__result)); return {std::move(__ret.first), std::move(__ret.second)}; } template <bidirectional_range _Range, bidirectional_iterator _Iter> requires indirectly_copyable<iterator_t<_Range>, _Iter> _LIBCPP_HIDE_FROM_ABI constexpr copy_backward_result<borrowed_iterator_t<_Range>, _Iter> operator()(_Range&& __r, _Iter __result) const { auto __ret = std::__copy_backward<_RangeAlgPolicy>(ranges::begin(__r), ranges::end(__r), std::move(__result)); return {std::move(__ret.first), std::move(__ret.second)}; } }; } // namespace __copy_backward inline namespace __cpo { inline constexpr auto copy_backward = __copy_backward::__fn{}; } // namespace __cpo } // namespace ranges _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_STD_VER > 17 #endif // _LIBCPP___ALGORITHM_RANGES_COPY_BACKWARD_H