1fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
2fe6060f1SDimitry Andric //
3fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6fe6060f1SDimitry Andric //
7fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
8fe6060f1SDimitry Andric
9fe6060f1SDimitry Andric #ifndef _LIBCPP___ALGORITHM_PARTITION_COPY_H
10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_PARTITION_COPY_H
11fe6060f1SDimitry Andric
12fe6060f1SDimitry Andric #include <__config>
13fe6060f1SDimitry Andric #include <__iterator/iterator_traits.h>
1481ad6265SDimitry Andric #include <__utility/pair.h>
15fe6060f1SDimitry Andric
16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17fe6060f1SDimitry Andric # pragma GCC system_header
18fe6060f1SDimitry Andric #endif
19fe6060f1SDimitry Andric
20fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
21fe6060f1SDimitry Andric
22*cb14a3feSDimitry Andric template <class _InputIterator, class _OutputIterator1, class _OutputIterator2, class _Predicate>
partition_copy(_InputIterator __first,_InputIterator __last,_OutputIterator1 __out_true,_OutputIterator2 __out_false,_Predicate __pred)23*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 pair<_OutputIterator1, _OutputIterator2> partition_copy(
24*cb14a3feSDimitry Andric _InputIterator __first,
25*cb14a3feSDimitry Andric _InputIterator __last,
26*cb14a3feSDimitry Andric _OutputIterator1 __out_true,
27*cb14a3feSDimitry Andric _OutputIterator2 __out_false,
28*cb14a3feSDimitry Andric _Predicate __pred) {
29*cb14a3feSDimitry Andric for (; __first != __last; ++__first) {
30*cb14a3feSDimitry Andric if (__pred(*__first)) {
31fe6060f1SDimitry Andric *__out_true = *__first;
32fe6060f1SDimitry Andric ++__out_true;
33*cb14a3feSDimitry Andric } else {
34fe6060f1SDimitry Andric *__out_false = *__first;
35fe6060f1SDimitry Andric ++__out_false;
36fe6060f1SDimitry Andric }
37fe6060f1SDimitry Andric }
38fe6060f1SDimitry Andric return pair<_OutputIterator1, _OutputIterator2>(__out_true, __out_false);
39fe6060f1SDimitry Andric }
40fe6060f1SDimitry Andric
41fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD
42fe6060f1SDimitry Andric
43fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_PARTITION_COPY_H
44