xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/remove_copy.h (revision be092bcde96bdcfde9013d60e442cca023bfbd1b)
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_COPY_H
10  #define _LIBCPP___ALGORITHM_REMOVE_COPY_H
11  
12  #include <__config>
13  
14  #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15  #  pragma GCC system_header
16  #endif
17  
18  _LIBCPP_BEGIN_NAMESPACE_STD
19  
20  template <class _InputIterator, class _OutputIterator, class _Tp>
21  inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
22  _OutputIterator
23  remove_copy(_InputIterator __first, _InputIterator __last, _OutputIterator __result, const _Tp& __value)
24  {
25      for (; __first != __last; ++__first)
26      {
27          if (!(*__first == __value))
28          {
29              *__result = *__first;
30              ++__result;
31          }
32      }
33      return __result;
34  }
35  
36  _LIBCPP_END_NAMESPACE_STD
37  
38  #endif // _LIBCPP___ALGORITHM_REMOVE_COPY_H
39