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// -*- C++ -*-
//===--------------------------- __nullptr --------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX_NULLPTR
#define _LIBCUDACXX_NULLPTR
#include <__config>
#if defined(_LIBCUDACXX_USE_PRAGMA_GCC_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#ifdef _LIBCUDACXX_HAS_NO_NULLPTR
_LIBCUDACXX_BEGIN_NAMESPACE_STD
struct _LIBCUDACXX_TEMPLATE_VIS nullptr_t
{
void* __lx;
struct __nat {int __for_bool_;};
_LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR nullptr_t() : __lx(0) {}
_LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {}
_LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR operator int __nat::*() const {return 0;}
template <class _Tp>
_LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR
operator _Tp* () const {return 0;}
template <class _Tp, class _Up>
_LIBCUDACXX_INLINE_VISIBILITY
operator _Tp _Up::* () const {return 0;}
friend _LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR bool operator==(nullptr_t, nullptr_t) {return true;}
friend _LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR bool operator!=(nullptr_t, nullptr_t) {return false;}
};
inline _LIBCUDACXX_INLINE_VISIBILITY _LIBCUDACXX_CONSTEXPR nullptr_t __get_nullptr_t() {return nullptr_t(0);}
#define nullptr _CUDA_VSTD::__get_nullptr_t()
_LIBCUDACXX_END_NAMESPACE_STD
#else // _LIBCUDACXX_HAS_NO_NULLPTR
namespace std
{
typedef decltype(nullptr) nullptr_t;
}
#endif // _LIBCUDACXX_HAS_NO_NULLPTR
#endif // _LIBCUDACXX_NULLPTR
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