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_COPY_IF_H 10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_COPY_IF_H 11fe6060f1SDimitry Andric 12fe6060f1SDimitry Andric #include <__config> 13fe6060f1SDimitry Andric 14fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 15fe6060f1SDimitry Andric # pragma GCC system_header 16fe6060f1SDimitry Andric #endif 17fe6060f1SDimitry Andric 18fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 19fe6060f1SDimitry Andric 20fe6060f1SDimitry Andric template <class _InputIterator, class _OutputIterator, class _Predicate> 21*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator 22*cb14a3feSDimitry Andric copy_if(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Predicate __pred) { 23*cb14a3feSDimitry Andric for (; __first != __last; ++__first) { 24*cb14a3feSDimitry Andric if (__pred(*__first)) { 25fe6060f1SDimitry Andric *__result = *__first; 26fe6060f1SDimitry Andric ++__result; 27fe6060f1SDimitry Andric } 28fe6060f1SDimitry Andric } 29fe6060f1SDimitry Andric return __result; 30fe6060f1SDimitry Andric } 31fe6060f1SDimitry Andric 32fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 33fe6060f1SDimitry Andric 34fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_COPY_IF_H 35