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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-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef _LIBCPP___CXX03___TYPE_TRAITS_REMOVE_CVREF_H |
10 | #define _LIBCPP___CXX03___TYPE_TRAITS_REMOVE_CVREF_H |
11 | |
12 | #include <__cxx03/__config> |
13 | #include <__cxx03/__type_traits/is_same.h> |
14 | #include <__cxx03/__type_traits/remove_cv.h> |
15 | #include <__cxx03/__type_traits/remove_reference.h> |
16 | |
17 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
18 | # pragma GCC system_header |
19 | #endif |
20 | |
21 | _LIBCPP_BEGIN_NAMESPACE_STD |
22 | |
23 | #if __has_builtin(__remove_cvref) && !defined(_LIBCPP_COMPILER_GCC) |
24 | template <class _Tp> |
25 | using __remove_cvref_t _LIBCPP_NODEBUG = __remove_cvref(_Tp); |
26 | #else |
27 | template <class _Tp> |
28 | using __remove_cvref_t _LIBCPP_NODEBUG = __remove_cv_t<__libcpp_remove_reference_t<_Tp> >; |
29 | #endif // __has_builtin(__remove_cvref) |
30 | |
31 | template <class _Tp, class _Up> |
32 | struct __is_same_uncvref : _IsSame<__remove_cvref_t<_Tp>, __remove_cvref_t<_Up> > {}; |
33 | |
34 | _LIBCPP_END_NAMESPACE_STD |
35 | |
36 | #endif // _LIBCPP___CXX03___TYPE_TRAITS_REMOVE_CVREF_H |
37 |
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