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