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1//===---------------------------------------------------------------------===//2//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-exception6//7//===---------------------------------------------------------------------===//8 9#ifndef _LIBCPP___CSTDDEF_NULLPTR_T_H10#define _LIBCPP___CSTDDEF_NULLPTR_T_H11 12#include <__config>13 14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)15# pragma GCC system_header16#endif17 18_LIBCPP_BEGIN_NAMESPACE_STD19 20using nullptr_t = decltype(nullptr);21 22_LIBCPP_END_NAMESPACE_STD23 24#endif // _LIBCPP___CSTDDEF_NULLPTR_T_H25