1*4bdff4beSrobert // -*- C++ -*- 2*4bdff4beSrobert //===----------------------------------------------------------------------===// 3*4bdff4beSrobert // 4*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 6*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*4bdff4beSrobert // 8*4bdff4beSrobert //===----------------------------------------------------------------------===// 9*4bdff4beSrobert 10*4bdff4beSrobert #ifndef _LIBCPP___UTILITY_AUTO_CAST_H 11*4bdff4beSrobert #define _LIBCPP___UTILITY_AUTO_CAST_H 12*4bdff4beSrobert 13*4bdff4beSrobert #include <__config> 14*4bdff4beSrobert #include <__type_traits/decay.h> 15*4bdff4beSrobert 16*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17*4bdff4beSrobert # pragma GCC system_header 18*4bdff4beSrobert #endif 19*4bdff4beSrobert 20*4bdff4beSrobert #define _LIBCPP_AUTO_CAST(expr) static_cast<typename decay<decltype((expr))>::type>(expr) 21*4bdff4beSrobert 22*4bdff4beSrobert #endif // _LIBCPP___UTILITY_AUTO_CAST_H 23