1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___UTILITY_AS_LVALUE_H
11#define _LIBCPP___UTILITY_AS_LVALUE_H
12
13#include <__config>
14
15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16# pragma GCC system_header
17#endif
18
19_LIBCPP_PUSH_MACROS
20#include <__undef_macros>
21
22_LIBCPP_BEGIN_NAMESPACE_STD
23
24#ifndef _LIBCPP_CXX03_LANG
25
26template <class _Tp>
27_LIBCPP_HIDE_FROM_ABI constexpr _Tp& __as_lvalue(_LIBCPP_LIFETIMEBOUND _Tp&& __t) {
28 return static_cast<_Tp&>(__t);
29}
30
31#endif // !_LIBCPP_CXX03_LANG
32
33_LIBCPP_END_NAMESPACE_STD
34
35_LIBCPP_POP_MACROS
36
37#endif // _LIBCPP___UTILITY_AS_LVALUE_H
38