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_IF_H 10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_REMOVE_IF_H 11fe6060f1SDimitry Andric 12fe6060f1SDimitry Andric #include <__algorithm/find_if.h> 1304eeddc0SDimitry Andric #include <__config> 1481ad6265SDimitry Andric #include <__utility/move.h> 15fe6060f1SDimitry Andric 16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17fe6060f1SDimitry Andric # pragma GCC system_header 18fe6060f1SDimitry Andric #endif 19fe6060f1SDimitry Andric 20b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS 21b3edf446SDimitry Andric #include <__undef_macros> 22b3edf446SDimitry Andric 23fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 24fe6060f1SDimitry Andric 25fe6060f1SDimitry Andric template <class _ForwardIterator, class _Predicate> 26*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator remove_if(_ForwardIterator __first,_ForwardIterator __last,_Predicate __pred)27cb14a3feSDimitry Andricremove_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) { 285f757f3fSDimitry Andric __first = std::find_if<_ForwardIterator, _Predicate&>(__first, __last, __pred); 29cb14a3feSDimitry Andric if (__first != __last) { 30fe6060f1SDimitry Andric _ForwardIterator __i = __first; 31cb14a3feSDimitry Andric while (++__i != __last) { 32cb14a3feSDimitry Andric if (!__pred(*__i)) { 335f757f3fSDimitry Andric *__first = std::move(*__i); 34fe6060f1SDimitry Andric ++__first; 35fe6060f1SDimitry Andric } 36fe6060f1SDimitry Andric } 37fe6060f1SDimitry Andric } 38fe6060f1SDimitry Andric return __first; 39fe6060f1SDimitry Andric } 40fe6060f1SDimitry Andric 41fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 42fe6060f1SDimitry Andric 43b3edf446SDimitry Andric _LIBCPP_POP_MACROS 44b3edf446SDimitry Andric 45fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_REMOVE_IF_H 46