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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_INCLUDES_H10#define _LIBCPP___ALGORITHM_INCLUDES_H11 12#include <__algorithm/comp.h>13#include <__algorithm/comp_ref_type.h>14#include <__config>15#include <__functional/identity.h>16#include <__type_traits/invoke.h>17#include <__type_traits/is_callable.h>18#include <__utility/move.h>19 20#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)21# pragma GCC system_header22#endif23 24_LIBCPP_PUSH_MACROS25#include <__undef_macros>26 27_LIBCPP_BEGIN_NAMESPACE_STD28 29template <class _Iter1, class _Sent1, class _Iter2, class _Sent2, class _Comp, class _Proj1, class _Proj2>30_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __includes(31 _Iter1 __first1,32 _Sent1 __last1,33 _Iter2 __first2,34 _Sent2 __last2,35 _Comp&& __comp,36 _Proj1&& __proj1,37 _Proj2&& __proj2) {38 for (; __first2 != __last2; ++__first1) {39 if (__first1 == __last1 ||40 std::__invoke(__comp, std::__invoke(__proj2, *__first2), std::__invoke(__proj1, *__first1)))41 return false;42 if (!std::__invoke(__comp, std::__invoke(__proj1, *__first1), std::__invoke(__proj2, *__first2)))43 ++__first2;44 }45 return true;46}47 48template <class _InputIterator1, class _InputIterator2, class _Compare>49[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool50includes(_InputIterator1 __first1,51 _InputIterator1 __last1,52 _InputIterator2 __first2,53 _InputIterator2 __last2,54 _Compare __comp) {55 static_assert(56 __is_callable<_Compare&, decltype(*__first1), decltype(*__first2)>::value, "The comparator has to be callable");57 58 return std::__includes(59 std::move(__first1),60 std::move(__last1),61 std::move(__first2),62 std::move(__last2),63 static_cast<__comp_ref_type<_Compare> >(__comp),64 __identity(),65 __identity());66}67 68template <class _InputIterator1, class _InputIterator2>69[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool70includes(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) {71 return std::includes(std::move(__first1), std::move(__last1), std::move(__first2), std::move(__last2), __less<>());72}73 74_LIBCPP_END_NAMESPACE_STD75 76_LIBCPP_POP_MACROS77 78#endif // _LIBCPP___ALGORITHM_INCLUDES_H79