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38 lines
1.1 KiB
C++
Vendored
38 lines
1.1 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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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_IS_PARTITIONED_H
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#define _LIBCPP___ALGORITHM_IS_PARTITIONED_H
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#include <__config>
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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 _InputIterator, class _Predicate>
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_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX17 bool
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is_partitioned(_InputIterator __first, _InputIterator __last, _Predicate __pred)
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{
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for (; __first != __last; ++__first)
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if (!__pred(*__first))
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break;
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if ( __first == __last )
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return true;
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++__first;
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for (; __first != __last; ++__first)
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if (__pred(*__first))
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return false;
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return true;
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}
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_IS_PARTITIONED_H
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