xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/ranges_includes.h (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1753f127fSDimitry Andric //===----------------------------------------------------------------------===//
2753f127fSDimitry Andric //
3753f127fSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4753f127fSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5753f127fSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6753f127fSDimitry Andric //
7753f127fSDimitry Andric //===----------------------------------------------------------------------===//
8753f127fSDimitry Andric 
9753f127fSDimitry Andric #ifndef _LIBCPP___ALGORITHM_RANGES_INCLUDES_H
10753f127fSDimitry Andric #define _LIBCPP___ALGORITHM_RANGES_INCLUDES_H
11753f127fSDimitry Andric 
12753f127fSDimitry Andric #include <__algorithm/includes.h>
13fcaf7f86SDimitry Andric #include <__algorithm/make_projected.h>
14753f127fSDimitry Andric #include <__config>
15753f127fSDimitry Andric #include <__functional/identity.h>
16753f127fSDimitry Andric #include <__functional/invoke.h>
17753f127fSDimitry Andric #include <__functional/ranges_operations.h>
18753f127fSDimitry Andric #include <__iterator/concepts.h>
19753f127fSDimitry Andric #include <__iterator/iterator_traits.h>
20753f127fSDimitry Andric #include <__iterator/projected.h>
21753f127fSDimitry Andric #include <__ranges/access.h>
22753f127fSDimitry Andric #include <__ranges/concepts.h>
23753f127fSDimitry Andric #include <__utility/forward.h>
24753f127fSDimitry Andric #include <__utility/move.h>
25753f127fSDimitry Andric 
26753f127fSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
27753f127fSDimitry Andric #  pragma GCC system_header
28753f127fSDimitry Andric #endif
29753f127fSDimitry Andric 
30b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS
31b3edf446SDimitry Andric #include <__undef_macros>
32b3edf446SDimitry Andric 
3306c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20
34753f127fSDimitry Andric 
35753f127fSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
36753f127fSDimitry Andric 
37753f127fSDimitry Andric namespace ranges {
38753f127fSDimitry Andric namespace __includes {
39753f127fSDimitry Andric 
40753f127fSDimitry Andric struct __fn {
4106c3fb27SDimitry Andric   template <input_iterator _Iter1,
42fcaf7f86SDimitry Andric             sentinel_for<_Iter1> _Sent1,
43fcaf7f86SDimitry Andric             input_iterator _Iter2,
44fcaf7f86SDimitry Andric             sentinel_for<_Iter2> _Sent2,
45fcaf7f86SDimitry Andric             class _Proj1                                                                           = identity,
46fcaf7f86SDimitry Andric             class _Proj2                                                                           = identity,
47753f127fSDimitry Andric             indirect_strict_weak_order<projected<_Iter1, _Proj1>, projected<_Iter2, _Proj2>> _Comp = ranges::less>
operator__fn48*0fca6ea1SDimitry Andric   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool operator()(
49fcaf7f86SDimitry Andric       _Iter1 __first1,
50fcaf7f86SDimitry Andric       _Sent1 __last1,
51fcaf7f86SDimitry Andric       _Iter2 __first2,
52fcaf7f86SDimitry Andric       _Sent2 __last2,
53fcaf7f86SDimitry Andric       _Comp __comp   = {},
54fcaf7f86SDimitry Andric       _Proj1 __proj1 = {},
55fcaf7f86SDimitry Andric       _Proj2 __proj2 = {}) const {
56fcaf7f86SDimitry Andric     return std::__includes(
57fcaf7f86SDimitry Andric         std::move(__first1),
58fcaf7f86SDimitry Andric         std::move(__last1),
59fcaf7f86SDimitry Andric         std::move(__first2),
60fcaf7f86SDimitry Andric         std::move(__last2),
61972a253aSDimitry Andric         std::move(__comp),
62972a253aSDimitry Andric         std::move(__proj1),
63972a253aSDimitry Andric         std::move(__proj2));
64753f127fSDimitry Andric   }
65753f127fSDimitry Andric 
6606c3fb27SDimitry Andric   template <input_range _Range1,
67fcaf7f86SDimitry Andric             input_range _Range2,
68fcaf7f86SDimitry Andric             class _Proj1 = identity,
69fcaf7f86SDimitry Andric             class _Proj2 = identity,
70fcaf7f86SDimitry Andric             indirect_strict_weak_order<projected<iterator_t<_Range1>, _Proj1>, projected<iterator_t<_Range2>, _Proj2>>
71fcaf7f86SDimitry Andric                 _Comp = ranges::less>
operator__fn72*0fca6ea1SDimitry Andric   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool operator()(
73fcaf7f86SDimitry Andric       _Range1&& __range1, _Range2&& __range2, _Comp __comp = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const {
74fcaf7f86SDimitry Andric     return std::__includes(
75fcaf7f86SDimitry Andric         ranges::begin(__range1),
76fcaf7f86SDimitry Andric         ranges::end(__range1),
77fcaf7f86SDimitry Andric         ranges::begin(__range2),
78fcaf7f86SDimitry Andric         ranges::end(__range2),
79972a253aSDimitry Andric         std::move(__comp),
80972a253aSDimitry Andric         std::move(__proj1),
81972a253aSDimitry Andric         std::move(__proj2));
82753f127fSDimitry Andric   }
83753f127fSDimitry Andric };
84753f127fSDimitry Andric 
85753f127fSDimitry Andric } // namespace __includes
86753f127fSDimitry Andric 
87753f127fSDimitry Andric inline namespace __cpo {
88753f127fSDimitry Andric inline constexpr auto includes = __includes::__fn{};
89753f127fSDimitry Andric } // namespace __cpo
90753f127fSDimitry Andric } // namespace ranges
91753f127fSDimitry Andric 
92753f127fSDimitry Andric _LIBCPP_END_NAMESPACE_STD
93753f127fSDimitry Andric 
9406c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20
95753f127fSDimitry Andric 
96b3edf446SDimitry Andric _LIBCPP_POP_MACROS
97b3edf446SDimitry Andric 
98753f127fSDimitry Andric #endif // _LIBCPP___ALGORITHM_RANGES_INCLUDES_H
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