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 #  pragma clang include_instead(<algorithm>)
20 #endif
21 
22 _LIBCPP_BEGIN_NAMESPACE_STD
23 
24 template <class _ForwardIterator, class _Tp>
25 _LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
26 remove(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_)
27 {
28     __first = _VSTD::find(__first, __last, __value_);
29     if (__first != __last)
30     {
31         _ForwardIterator __i = __first;
32         while (++__i != __last)
33         {
34             if (!(*__i == __value_))
35             {
36                 *__first = _VSTD::move(*__i);
37                 ++__first;
38             }
39         }
40     }
41     return __first;
42 }
43 
44 _LIBCPP_END_NAMESPACE_STD
45 
46 #endif // _LIBCPP___ALGORITHM_REMOVE_H
47