forked from OSchip/llvm-project
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_COPY_IF_H
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#define _LIBCPP___ALGORITHM_COPY_IF_H
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#include <__config>
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#include <__algorithm/unwrap_iter.h>
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#include <__iterator/iterator_traits.h>
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#include <cstring>
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#include <type_traits>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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template<class _InputIterator, class _OutputIterator, class _Predicate>
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inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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_OutputIterator
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copy_if(_InputIterator __first, _InputIterator __last,
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_OutputIterator __result, _Predicate __pred)
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{
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for (; __first != __last; ++__first)
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{
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if (__pred(*__first))
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{
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*__result = *__first;
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++__result;
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}
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}
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return __result;
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}
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ALGORITHM_COPY_IF_H
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