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_INCLUDES_H
10 #define _LIBCPP___ALGORITHM_RANGES_INCLUDES_H
11 
12 #include <__algorithm/includes.h>
13 #include <__algorithm/make_projected.h>
14 #include <__config>
15 #include <__functional/identity.h>
16 #include <__functional/invoke.h>
17 #include <__functional/ranges_operations.h>
18 #include <__iterator/concepts.h>
19 #include <__iterator/iterator_traits.h>
20 #include <__iterator/projected.h>
21 #include <__ranges/access.h>
22 #include <__ranges/concepts.h>
23 #include <__utility/forward.h>
24 #include <__utility/move.h>
25 
26 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
27 #  pragma GCC system_header
28 #endif
29 
30 _LIBCPP_PUSH_MACROS
31 #include <__undef_macros>
32 
33 #if _LIBCPP_STD_VER >= 20
34 
35 _LIBCPP_BEGIN_NAMESPACE_STD
36 
37 namespace ranges {
38 namespace __includes {
39 
40 struct __fn {
41   template <input_iterator _Iter1,
42             sentinel_for<_Iter1> _Sent1,
43             input_iterator _Iter2,
44             sentinel_for<_Iter2> _Sent2,
45             class _Proj1                                                                           = identity,
46             class _Proj2                                                                           = identity,
47             indirect_strict_weak_order<projected<_Iter1, _Proj1>, projected<_Iter2, _Proj2>> _Comp = ranges::less>
48   _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool operator()(
49       _Iter1 __first1,
50       _Sent1 __last1,
51       _Iter2 __first2,
52       _Sent2 __last2,
53       _Comp __comp   = {},
54       _Proj1 __proj1 = {},
55       _Proj2 __proj2 = {}) const {
56     return std::__includes(
57         std::move(__first1),
58         std::move(__last1),
59         std::move(__first2),
60         std::move(__last2),
61         std::move(__comp),
62         std::move(__proj1),
63         std::move(__proj2));
64   }
65 
66   template <input_range _Range1,
67             input_range _Range2,
68             class _Proj1 = identity,
69             class _Proj2 = identity,
70             indirect_strict_weak_order<projected<iterator_t<_Range1>, _Proj1>, projected<iterator_t<_Range2>, _Proj2>>
71                 _Comp = ranges::less>
72   _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool operator()(
73       _Range1&& __range1, _Range2&& __range2, _Comp __comp = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const {
74     return std::__includes(
75         ranges::begin(__range1),
76         ranges::end(__range1),
77         ranges::begin(__range2),
78         ranges::end(__range2),
79         std::move(__comp),
80         std::move(__proj1),
81         std::move(__proj2));
82   }
83 };
84 
85 } // namespace __includes
86 
87 inline namespace __cpo {
88 inline constexpr auto includes = __includes::__fn{};
89 } // namespace __cpo
90 } // namespace ranges
91 
92 _LIBCPP_END_NAMESPACE_STD
93 
94 #endif // _LIBCPP_STD_VER >= 20
95 
96 _LIBCPP_POP_MACROS
97 
98 #endif // _LIBCPP___ALGORITHM_RANGES_INCLUDES_H
99