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_REMOVE_H 10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_REMOVE_H 11fe6060f1SDimitry Andric 12fe6060f1SDimitry Andric #include <__algorithm/find.h> 13fe6060f1SDimitry Andric #include <__algorithm/find_if.h> 1404eeddc0SDimitry Andric #include <__config> 15fe6060f1SDimitry Andric #include <__utility/move.h> 16fe6060f1SDimitry Andric 17fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18fe6060f1SDimitry Andric # pragma GCC system_header 19fe6060f1SDimitry Andric #endif 20fe6060f1SDimitry Andric 21b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS 22b3edf446SDimitry Andric #include <__undef_macros> 23b3edf446SDimitry Andric 24fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 25fe6060f1SDimitry Andric 26fe6060f1SDimitry Andric template <class _ForwardIterator, class _Tp> 27*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator 28cb14a3feSDimitry Andric remove(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) { 295f757f3fSDimitry Andric __first = std::find(__first, __last, __value); 30cb14a3feSDimitry Andric if (__first != __last) { 31fe6060f1SDimitry Andric _ForwardIterator __i = __first; 32cb14a3feSDimitry Andric while (++__i != __last) { 33cb14a3feSDimitry Andric if (!(*__i == __value)) { 345f757f3fSDimitry Andric *__first = std::move(*__i); 35fe6060f1SDimitry Andric ++__first; 36fe6060f1SDimitry Andric } 37fe6060f1SDimitry Andric } 38fe6060f1SDimitry Andric } 39fe6060f1SDimitry Andric return __first; 40fe6060f1SDimitry Andric } 41fe6060f1SDimitry Andric 42fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 43fe6060f1SDimitry Andric 44b3edf446SDimitry Andric _LIBCPP_POP_MACROS 45b3edf446SDimitry Andric 46fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_REMOVE_H 47