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