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964aeb713e
- for all algorithms taking more than one range, add a `robust` test to check the case where the ranges have different value types and the given projections are different, with each projection applying to a different value type; - fix `ranges::include` to apply the correct projection to each range. Differential Revision: https://reviews.llvm.org/D130515
72 lines
2.7 KiB
C++
72 lines
2.7 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 <__functional/identity.h>
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#include <__functional/invoke.h>
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#include <__iterator/iterator_traits.h>
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#include <__type_traits/is_callable.h>
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#include <__utility/move.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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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Iter1, class _Sent1, class _Iter2, class _Sent2, class _Comp, class _Proj1, class _Proj2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 bool
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__includes(_Iter1 __first1, _Sent1 __last1, _Iter2 __first2, _Sent2 __last2,
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_Comp&& __comp, _Proj1&& __proj1, _Proj2&& __proj2) {
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for (; __first2 != __last2; ++__first1) {
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if (__first1 == __last1 || std::__invoke(
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__comp, std::__invoke(__proj2, *__first2), std::__invoke(__proj1, *__first1)))
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return false;
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if (!std::__invoke(__comp, std::__invoke(__proj1, *__first1), std::__invoke(__proj2, *__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 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 bool includes(
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_InputIterator1 __first1,
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_InputIterator1 __last1,
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_InputIterator2 __first2,
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_InputIterator2 __last2,
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_Compare __comp) {
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static_assert(__is_callable<_Compare, decltype(*__first1), decltype(*__first2)>::value,
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"Comparator has to be callable");
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typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
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return std::__includes(
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std::move(__first1), std::move(__last1), std::move(__first2), std::move(__last2),
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static_cast<_Comp_ref>(__comp), __identity(), __identity());
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}
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template <class _InputIterator1, class _InputIterator2>
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_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 bool
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includes(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) {
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return std::includes(
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std::move(__first1),
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std::move(__last1),
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std::move(__first2),
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std::move(__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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