Stephen Hines | c6ca60f | 2023-05-09 02:19:22 -0700 | [diff] [blame^] | 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___CONCEPTS_DIFFERENT_FROM_H |
| 10 | #define _LIBCPP___CONCEPTS_DIFFERENT_FROM_H |
| 11 | |
| 12 | #include <__concepts/same_as.h> |
| 13 | #include <__config> |
| 14 | #include <__type_traits/remove_cvref.h> |
| 15 | |
| 16 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 17 | # pragma GCC system_header |
| 18 | #endif |
| 19 | |
| 20 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 21 | |
| 22 | #if _LIBCPP_STD_VER > 17 |
| 23 | |
| 24 | template<class _Tp, class _Up> |
| 25 | concept __different_from = !same_as<remove_cvref_t<_Tp>, remove_cvref_t<_Up>>; |
| 26 | |
| 27 | #endif // _LIBCPP_STD_VER > 17 |
| 28 | |
| 29 | _LIBCPP_END_NAMESPACE_STD |
| 30 | |
| 31 | #endif // _LIBCPP___CONCEPTS_DIFFERENT_FROM_H |