| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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___UTILITY_DECAY_COPY_H |
| #define _LIBCPP___UTILITY_DECAY_COPY_H |
| |
| #include <__config> |
| #include <__utility/forward.h> |
| #include <type_traits> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Tp> |
| _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR |
| typename decay<_Tp>::type __decay_copy(_Tp&& __t) |
| #if _LIBCPP_STD_VER > 17 |
| noexcept(is_nothrow_convertible_v<_Tp, remove_reference_t<_Tp>>) |
| #endif |
| { |
| return _VSTD::forward<_Tp>(__t); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___UTILITY_DECAY_COPY_H |
