__cxx03/__algorithm/remove_copy_if.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___CXX03___ALGORITHM_REMOVE_COPY_IF_H
0010 #define _LIBCPP___CXX03___ALGORITHM_REMOVE_COPY_IF_H
0011
0012 #include <__cxx03/__config>
0013
0014 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0015 #  pragma GCC system_header
0016 #endif
0017
0018 _LIBCPP_BEGIN_NAMESPACE_STD
0019
0020 template <class _InputIterator, class _OutputIterator, class _Predicate>
0021 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
0022 remove_copy_if(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Predicate __pred) {
0023   for (; __first != __last; ++__first) {
0024     if (!__pred(*__first)) {
0025       *__result = *__first;
0026       ++__result;
0027     }
0028   }
0029   return __result;
0030 }
0031
0032 _LIBCPP_END_NAMESPACE_STD
0033
0034 #endif // _LIBCPP___CXX03___ALGORITHM_REMOVE_COPY_IF_H