libcxx/include/__cxx03/__algorithm/ranges_includes.h

   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 <__cxx03/__algorithm/includes.h>
  13 #include <__cxx03/__algorithm/make_projected.h>
  14 #include <__cxx03/__config>
  15 #include <__cxx03/__functional/identity.h>
  16 #include <__cxx03/__functional/invoke.h>
  17 #include <__cxx03/__functional/ranges_operations.h>
  18 #include <__cxx03/__iterator/concepts.h>
  19 #include <__cxx03/__iterator/iterator_traits.h>
  20 #include <__cxx03/__iterator/projected.h>
  21 #include <__cxx03/__ranges/access.h>
  22 #include <__cxx03/__ranges/concepts.h>
  23 #include <__cxx03/__utility/forward.h>
  24 #include <__cxx03/__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 <__cxx03/__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   [[nodiscard]] _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   [[nodiscard]] _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