//===----------------------------------------------------------------------===//
//
// 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
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCUDACXX___TYPE_TRAITS_REMOVE_CV_H
#define _LIBCUDACXX___TYPE_TRAITS_REMOVE_CV_H

#include <cuda/std/detail/__config>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header

#include <cuda/std/__type_traits/remove_const.h>
#include <cuda/std/__type_traits/remove_volatile.h>

_LIBCUDACXX_BEGIN_NAMESPACE_STD

#if defined(_CCCL_BUILTIN_REMOVE_CV) && !defined(_LIBCUDACXX_USE_REMOVE_CV_FALLBACK)
template <class _Tp>
struct remove_cv
{
  using type _CCCL_NODEBUG_ALIAS = _CCCL_BUILTIN_REMOVE_CV(_Tp);
};

template <class _Tp>
using remove_cv_t _CCCL_NODEBUG_ALIAS = _CCCL_BUILTIN_REMOVE_CV(_Tp);

#else

template <class _Tp>
struct _CCCL_TYPE_VISIBILITY_DEFAULT remove_cv
{
  using type = remove_volatile_t<remove_const_t<_Tp>>;
};

template <class _Tp>
using remove_cv_t _CCCL_NODEBUG_ALIAS = remove_volatile_t<remove_const_t<_Tp>>;

#endif // defined(_CCCL_BUILTIN_REMOVE_CV) && !defined(_LIBCUDACXX_USE_REMOVE_CV_FALLBACK)

_LIBCUDACXX_END_NAMESPACE_STD

#endif // _LIBCUDACXX___TYPE_TRAITS_REMOVE_CV_H
