5aaefa510e
libc++ has started splicing standard library headers into much more fine-grained content for maintainability. It's very likely that outdated and naive tooling (some of which is outside of LLVM's scope) will suggest users include things such as <__ranges/access.h> instead of <ranges>, and Hyrum's law suggests that users will eventually begin to rely on this without the help of tooling. As such, this commit intends to protect users from themselves, by making it a hard error for anyone outside of the standard library to include libc++ detail headers. Differential Revision: https://reviews.llvm.org/D106124
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_INCLUDES_H
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#define _LIBCPP___ALGORITHM_INCLUDES_H
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#include <__algorithm/comp.h>
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#include <__algorithm/comp_ref_type.h>
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#include <__config>
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#include <__iterator/iterator_traits.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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# pragma clang include_instead(<algorithm>)
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Compare, class _InputIterator1, class _InputIterator2>
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_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
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__includes(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2,
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_Compare __comp)
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{
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for (; __first2 != __last2; ++__first1)
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{
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if (__first1 == __last1 || __comp(*__first2, *__first1))
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return false;
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if (!__comp(*__first1, *__first2))
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++__first2;
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}
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return true;
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}
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template <class _InputIterator1, class _InputIterator2, class _Compare>
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_LIBCPP_NODISCARD_EXT inline
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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bool
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includes(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2,
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_Compare __comp)
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{
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typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
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return _VSTD::__includes<_Comp_ref>(__first1, __last1, __first2, __last2, __comp);
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}
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template <class _InputIterator1, class _InputIterator2>
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_LIBCPP_NODISCARD_EXT inline
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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bool
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includes(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2)
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{
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return _VSTD::includes(__first1, __last1, __first2, __last2,
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__less<typename iterator_traits<_InputIterator1>::value_type,
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typename iterator_traits<_InputIterator2>::value_type>());
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}
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_INCLUDES_H
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