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 #if _LIBCPP_STD_VER >= 20 31 32 _LIBCPP_BEGIN_NAMESPACE_STD 33 34 namespace ranges { 35 namespace __includes { 36 37 struct __fn { 38 template <input_iterator _Iter1, 39 sentinel_for<_Iter1> _Sent1, 40 input_iterator _Iter2, 41 sentinel_for<_Iter2> _Sent2, 42 class _Proj1 = identity, 43 class _Proj2 = identity, 44 indirect_strict_weak_order<projected<_Iter1, _Proj1>, projected<_Iter2, _Proj2>> _Comp = ranges::less> 45 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool operator()( 46 _Iter1 __first1, 47 _Sent1 __last1, 48 _Iter2 __first2, 49 _Sent2 __last2, 50 _Comp __comp = {}, 51 _Proj1 __proj1 = {}, 52 _Proj2 __proj2 = {}) const { 53 return std::__includes( 54 std::move(__first1), 55 std::move(__last1), 56 std::move(__first2), 57 std::move(__last2), 58 std::move(__comp), 59 std::move(__proj1), 60 std::move(__proj2)); 61 } 62 63 template <input_range _Range1, 64 input_range _Range2, 65 class _Proj1 = identity, 66 class _Proj2 = identity, 67 indirect_strict_weak_order<projected<iterator_t<_Range1>, _Proj1>, projected<iterator_t<_Range2>, _Proj2>> 68 _Comp = ranges::less> 69 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool operator()( 70 _Range1&& __range1, _Range2&& __range2, _Comp __comp = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const { 71 return std::__includes( 72 ranges::begin(__range1), 73 ranges::end(__range1), 74 ranges::begin(__range2), 75 ranges::end(__range2), 76 std::move(__comp), 77 std::move(__proj1), 78 std::move(__proj2)); 79 } 80 }; 81 82 } // namespace __includes 83 84 inline namespace __cpo { 85 inline constexpr auto includes = __includes::__fn{}; 86 } // namespace __cpo 87 } // namespace ranges 88 89 _LIBCPP_END_NAMESPACE_STD 90 91 #endif // _LIBCPP_STD_VER >= 20 92 93 #endif // _LIBCPP___ALGORITHM_RANGES_INCLUDES_H 94