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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_RANGES_MOVE_BACKWARD_H10#define _LIBCPP___ALGORITHM_RANGES_MOVE_BACKWARD_H11 12#include <__algorithm/in_out_result.h>13#include <__algorithm/iterator_operations.h>14#include <__algorithm/move_backward.h>15#include <__config>16#include <__iterator/concepts.h>17#include <__iterator/iter_move.h>18#include <__iterator/next.h>19#include <__ranges/access.h>20#include <__ranges/concepts.h>21#include <__ranges/dangling.h>22#include <__utility/move.h>23 24#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)25# pragma GCC system_header26#endif27 28_LIBCPP_PUSH_MACROS29#include <__undef_macros>30 31#if _LIBCPP_STD_VER >= 2032 33_LIBCPP_BEGIN_NAMESPACE_STD34 35namespace ranges {36 37template <class _InIter, class _OutIter>38using move_backward_result = in_out_result<_InIter, _OutIter>;39 40struct __move_backward {41 template <class _InIter, class _Sent, class _OutIter>42 _LIBCPP_HIDE_FROM_ABI constexpr static move_backward_result<_InIter, _OutIter>43 __move_backward_impl(_InIter __first, _Sent __last, _OutIter __result) {44 auto __ret = std::__move_backward<_RangeAlgPolicy>(std::move(__first), std::move(__last), std::move(__result));45 return {std::move(__ret.first), std::move(__ret.second)};46 }47 48 template <bidirectional_iterator _InIter, sentinel_for<_InIter> _Sent, bidirectional_iterator _OutIter>49 requires indirectly_movable<_InIter, _OutIter>50 _LIBCPP_HIDE_FROM_ABI constexpr move_backward_result<_InIter, _OutIter>51 operator()(_InIter __first, _Sent __last, _OutIter __result) const {52 return __move_backward_impl(std::move(__first), std::move(__last), std::move(__result));53 }54 55 template <bidirectional_range _Range, bidirectional_iterator _Iter>56 requires indirectly_movable<iterator_t<_Range>, _Iter>57 _LIBCPP_HIDE_FROM_ABI constexpr move_backward_result<borrowed_iterator_t<_Range>, _Iter>58 operator()(_Range&& __range, _Iter __result) const {59 return __move_backward_impl(ranges::begin(__range), ranges::end(__range), std::move(__result));60 }61};62 63inline namespace __cpo {64inline constexpr auto move_backward = __move_backward{};65} // namespace __cpo66} // namespace ranges67 68_LIBCPP_END_NAMESPACE_STD69 70#endif // _LIBCPP_STD_VER >= 2071 72_LIBCPP_POP_MACROS73 74#endif // _LIBCPP___ALGORITHM_RANGES_MOVE_BACKWARD_H75