| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___ALGORITHM_INCLUDES_H |
| #define _LIBCPP___ALGORITHM_INCLUDES_H |
| |
| #include <__algorithm/comp.h> |
| #include <__algorithm/comp_ref_type.h> |
| #include <__config> |
| #include <__functional/identity.h> |
| #include <__functional/invoke.h> |
| #include <__iterator/iterator_traits.h> |
| #include <__type_traits/is_callable.h> |
| #include <__utility/move.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Iter1, class _Sent1, class _Iter2, class _Sent2, class _Comp, class _Proj1, class _Proj2> |
| _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool |
| __includes(_Iter1 __first1, _Sent1 __last1, _Iter2 __first2, _Sent2 __last2, |
| _Comp&& __comp, _Proj1&& __proj1, _Proj2&& __proj2) { |
| for (; __first2 != __last2; ++__first1) { |
| if (__first1 == __last1 || std::__invoke( |
| __comp, std::__invoke(__proj2, *__first2), std::__invoke(__proj1, *__first1))) |
| return false; |
| if (!std::__invoke(__comp, std::__invoke(__proj1, *__first1), std::__invoke(__proj2, *__first2))) |
| ++__first2; |
| } |
| return true; |
| } |
| |
| template <class _InputIterator1, class _InputIterator2, class _Compare> |
| _LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool includes( |
| _InputIterator1 __first1, |
| _InputIterator1 __last1, |
| _InputIterator2 __first2, |
| _InputIterator2 __last2, |
| _Compare __comp) { |
| static_assert(__is_callable<_Compare, decltype(*__first1), decltype(*__first2)>::value, |
| "Comparator has to be callable"); |
| |
| return std::__includes( |
| std::move(__first1), |
| std::move(__last1), |
| std::move(__first2), |
| std::move(__last2), |
| static_cast<__comp_ref_type<_Compare> >(__comp), |
| __identity(), |
| __identity()); |
| } |
| |
| template <class _InputIterator1, class _InputIterator2> |
| _LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool |
| includes(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) { |
| return std::includes( |
| std::move(__first1), |
| std::move(__last1), |
| std::move(__first2), |
| std::move(__last2), |
| __less<typename iterator_traits<_InputIterator1>::value_type, |
| typename iterator_traits<_InputIterator2>::value_type>()); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ALGORITHM_INCLUDES_H |