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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___ALGORITHM_RANGES_MOVE_H
10#define _LIBCPP___ALGORITHM_RANGES_MOVE_H
11
12#include <__algorithm/in_out_result.h>
13#include <__algorithm/iterator_operations.h>
14#include <__algorithm/move.h>
15#include <__config>
16#include <__iterator/concepts.h>
17#include <__ranges/access.h>
18#include <__ranges/concepts.h>
19#include <__ranges/dangling.h>
20#include <__utility/move.h>
21
22#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
23# pragma GCC system_header
24#endif
25
26_LIBCPP_PUSH_MACROS
27#include <__undef_macros>
28
29#if _LIBCPP_STD_VER >= 20
30
31_LIBCPP_BEGIN_NAMESPACE_STD
32
33namespace ranges {
34
35template <class _InIter, class _OutIter>
36using move_result = in_out_result<_InIter, _OutIter>;
37
38struct __move {
39 template <input_iterator _InIter, sentinel_for<_InIter> _Sent, weakly_incrementable _OutIter>
40 requires indirectly_movable<_InIter, _OutIter>
41 constexpr move_result<_InIter, _OutIter> operator()(_InIter __first, _Sent __last, _OutIter __result) const {
42 return std::__move<_RangeAlgPolicy>(std::move(__first), std::move(__last), std::move(__result));
43 }
44
45 template <input_range _Range, weakly_incrementable _OutIter>
46 requires indirectly_movable<iterator_t<_Range>, _OutIter>
47 constexpr move_result<borrowed_iterator_t<_Range>, _OutIter> operator()(_Range&& __range, _OutIter __result) const {
48 return std::__move<_RangeAlgPolicy>(ranges::begin(__range), ranges::end(__range), std::move(__result));
49 }
50};
51
52inline namespace __cpo {
53inline constexpr auto move = __move{};
54} // namespace __cpo
55} // namespace ranges
56
57_LIBCPP_END_NAMESPACE_STD
58
59#endif // _LIBCPP_STD_VER >= 20
60
61_LIBCPP_POP_MACROS
62
63#endif // _LIBCPP___ALGORITHM_RANGES_MOVE_H
64