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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_PARTITION_COPY_H10#define _LIBCPP___ALGORITHM_PARTITION_COPY_H11 12#include <__config>13#include <__iterator/iterator_traits.h>14#include <__utility/pair.h>15 16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)17# pragma GCC system_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22template <class _InputIterator, class _OutputIterator1, class _OutputIterator2, class _Predicate>23_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 pair<_OutputIterator1, _OutputIterator2> partition_copy(24 _InputIterator __first,25 _InputIterator __last,26 _OutputIterator1 __out_true,27 _OutputIterator2 __out_false,28 _Predicate __pred) {29 for (; __first != __last; ++__first) {30 if (__pred(*__first)) {31 *__out_true = *__first;32 ++__out_true;33 } else {34 *__out_false = *__first;35 ++__out_false;36 }37 }38 return pair<_OutputIterator1, _OutputIterator2>(__out_true, __out_false);39}40 41_LIBCPP_END_NAMESPACE_STD42 43#endif // _LIBCPP___ALGORITHM_PARTITION_COPY_H44