libcxx/include/__algorithm/remove_copy.h

   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