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_AUTO_CAST_H 11 #define _LIBCPP___UTILITY_AUTO_CAST_H 12 13 #include <__config> 14 #include <__type_traits/decay.h> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 #define _LIBCPP_AUTO_CAST(expr) static_cast<::std::__decay_t<decltype((expr))> >(expr) 21 22 #endif // _LIBCPP___UTILITY_AUTO_CAST_H 23