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_COPY_IF_H 10#define _LIBCPP___ALGORITHM_COPY_IF_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 20template<class _InputIterator, class _OutputIterator, class _Predicate> 21inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 22_OutputIterator 23copy_if(_InputIterator __first, _InputIterator __last, 24 _OutputIterator __result, _Predicate __pred) 25{ 26 for (; __first != __last; ++__first) 27 { 28 if (__pred(*__first)) 29 { 30 *__result = *__first; 31 ++__result; 32 } 33 } 34 return __result; 35} 36 37_LIBCPP_END_NAMESPACE_STD 38 39#endif // _LIBCPP___ALGORITHM_COPY_IF_H 40