| //===----------------------------------------------------------------------===// |
| // |
| // 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_CONST_H |
| #define _LIBCPP___TYPE_TRAITS_REMOVE_CONST_H |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if __has_builtin(__remove_const) |
| template <class _Tp> |
| struct remove_const { |
| using type _LIBCPP_NODEBUG = __remove_const(_Tp); |
| }; |
| |
| template <class _Tp> |
| using __remove_const_t = __remove_const(_Tp); |
| #else |
| template <class _Tp> |
| struct _LIBCPP_TEMPLATE_VIS remove_const { |
| typedef _Tp type; |
| }; |
| template <class _Tp> |
| struct _LIBCPP_TEMPLATE_VIS remove_const<const _Tp> { |
| typedef _Tp type; |
| }; |
| |
| template <class _Tp> |
| using __remove_const_t = typename remove_const<_Tp>::type; |
| #endif // __has_builtin(__remove_const) |
| |
| #if _LIBCPP_STD_VER >= 14 |
| template <class _Tp> |
| using remove_const_t = __remove_const_t<_Tp>; |
| #endif |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___TYPE_TRAITS_REMOVE_CONST_H |