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//===----------------------------------------------------------------------===//
//
// 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 _LIBCPP___TYPE_TRAITS_REMOVE_CVREF_H
#define _LIBCPP___TYPE_TRAITS_REMOVE_CVREF_H
#include <__config>
#include <__type_traits/is_same.h>
#include <__type_traits/remove_cv.h>
#include <__type_traits/remove_reference.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if __has_builtin(__remove_cvref)
template <class _Tp>
using __remove_cvref_t _LIBCPP_NODEBUG = __remove_cvref(_Tp);
#else
template <class _Tp>
using __remove_cvref_t _LIBCPP_NODEBUG = __remove_cv_t<__libcpp_remove_reference_t<_Tp> >;
#endif // __has_builtin(__remove_cvref)
template <class _Tp, class _Up>
struct __is_same_uncvref : _IsSame<__remove_cvref_t<_Tp>, __remove_cvref_t<_Up> > {};
#if _LIBCPP_STD_VER > 17
template <class _Tp>
struct remove_cvref {
using type _LIBCPP_NODEBUG = __remove_cvref_t<_Tp>;
};
template <class _Tp> using remove_cvref_t = __remove_cvref_t<_Tp>;
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___TYPE_TRAITS_REMOVE_CVREF_H