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_COPY_IF_H
10#define _LIBCPP___ALGORITHM_COPY_IF_H
11
12#include <__config>
13
14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15# pragma GCC system_header
16#endif
17
18_LIBCPP_BEGIN_NAMESPACE_STD
19
20template <class _InputIterator, class _OutputIterator, class _Predicate>
21inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
22copy_if(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Predicate __pred) {
23 for (; __first != __last; ++__first) {
24 if (__pred(*__first)) {
25 *__result = *__first;
26 ++__result;
27 }
28 }
29 return __result;
30}
31
32_LIBCPP_END_NAMESPACE_STD
33
34#endif // _LIBCPP___ALGORITHM_COPY_IF_H
35