1 //===---------------------------------------------------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===---------------------------------------------------------------------===//
9 #ifndef _LIBCPP___CSTDDEF_NULLPTR_T_H
10 #define _LIBCPP___CSTDDEF_NULLPTR_T_H
14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15 # pragma GCC system_header
18 _LIBCPP_BEGIN_NAMESPACE_STD
20 using nullptr_t
= decltype(nullptr);
22 _LIBCPP_END_NAMESPACE_STD
24 #endif // _LIBCPP___CSTDDEF_NULLPTR_T_H