| // -*- C++ -*- | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // 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___ITERATOR_SORTABLE_H | |
| #define _LIBCPP___ITERATOR_SORTABLE_H | |
| #include <__config> | |
| #include <__functional/identity.h> | |
| #include <__functional/ranges_operations.h> | |
| #include <__iterator/concepts.h> | |
| #include <__iterator/permutable.h> | |
| #include <__iterator/projected.h> | |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | |
| # pragma GCC system_header | |
| #endif | |
| _LIBCPP_BEGIN_NAMESPACE_STD | |
| #if _LIBCPP_STD_VER >= 20 | |
| template <class _Iter, class _Comp = ranges::less, class _Proj = identity> | |
| concept sortable = permutable<_Iter> && indirect_strict_weak_order<_Comp, projected<_Iter, _Proj>>; | |
| #endif // _LIBCPP_STD_VER >= 20 | |
| _LIBCPP_END_NAMESPACE_STD | |
| #endif // _LIBCPP___ITERATOR_SORTABLE_H |