|
223
|
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-exception
|
|
|
6 //
|
|
|
7 //===----------------------------------------------------------------------===//
|
|
|
8
|
|
|
9 #ifndef _LIBCPP___ALGORITHM_PARTITION_COPY_H
|
|
|
10 #define _LIBCPP___ALGORITHM_PARTITION_COPY_H
|
|
|
11
|
|
|
12 #include <__config>
|
|
|
13 #include <__iterator/iterator_traits.h>
|
|
|
14 #include <utility> // pair
|
|
|
15
|
|
|
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
|
17 #pragma GCC system_header
|
|
|
18 #endif
|
|
|
19
|
|
|
20 _LIBCPP_PUSH_MACROS
|
|
|
21 #include <__undef_macros>
|
|
|
22
|
|
|
23 _LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
24
|
|
|
25 template <class _InputIterator, class _OutputIterator1,
|
|
|
26 class _OutputIterator2, class _Predicate>
|
|
|
27 _LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_OutputIterator1, _OutputIterator2>
|
|
|
28 partition_copy(_InputIterator __first, _InputIterator __last,
|
|
|
29 _OutputIterator1 __out_true, _OutputIterator2 __out_false,
|
|
|
30 _Predicate __pred)
|
|
|
31 {
|
|
|
32 for (; __first != __last; ++__first)
|
|
|
33 {
|
|
|
34 if (__pred(*__first))
|
|
|
35 {
|
|
|
36 *__out_true = *__first;
|
|
|
37 ++__out_true;
|
|
|
38 }
|
|
|
39 else
|
|
|
40 {
|
|
|
41 *__out_false = *__first;
|
|
|
42 ++__out_false;
|
|
|
43 }
|
|
|
44 }
|
|
|
45 return pair<_OutputIterator1, _OutputIterator2>(__out_true, __out_false);
|
|
|
46 }
|
|
|
47
|
|
|
48 _LIBCPP_END_NAMESPACE_STD
|
|
|
49
|
|
|
50 _LIBCPP_POP_MACROS
|
|
|
51
|
|
|
52 #endif // _LIBCPP___ALGORITHM_PARTITION_COPY_H
|
