//===----------------------------------------------------------------------===// // // 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_PUSH_MACROS #include <__undef_macros> _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<>()); } _LIBCPP_END_NAMESPACE_STD _LIBCPP_POP_MACROS #endif // _LIBCPP___ALGORITHM_INCLUDES_H