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//===----------------------------------------------------------------------===//
//
// 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_PARTITION_COPY_H
#define _LIBCPP___ALGORITHM_PARTITION_COPY_H
#include <__config>
#include <__iterator/iterator_traits.h>
#include <__utility/pair.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _InputIterator, class _OutputIterator1,
class _OutputIterator2, class _Predicate>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 pair<_OutputIterator1, _OutputIterator2>
partition_copy(_InputIterator __first, _InputIterator __last,
_OutputIterator1 __out_true, _OutputIterator2 __out_false,
_Predicate __pred)
{
for (; __first != __last; ++__first)
{
if (__pred(*__first))
{
*__out_true = *__first;
++__out_true;
}
else
{
*__out_false = *__first;
++__out_false;
}
}
return pair<_OutputIterator1, _OutputIterator2>(__out_true, __out_false);
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ALGORITHM_PARTITION_COPY_H
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