181ad6265SDimitry Andric // -*- C++ -*- 281ad6265SDimitry Andric //===----------------------------------------------------------------------===// 381ad6265SDimitry Andric // 481ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 581ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 681ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 781ad6265SDimitry Andric // 881ad6265SDimitry Andric //===----------------------------------------------------------------------===// 981ad6265SDimitry Andric 1081ad6265SDimitry Andric #ifndef _LIBCPP___ITERATOR_PERMUTABLE_H 1181ad6265SDimitry Andric #define _LIBCPP___ITERATOR_PERMUTABLE_H 1281ad6265SDimitry Andric 1381ad6265SDimitry Andric #include <__config> 1481ad6265SDimitry Andric #include <__iterator/concepts.h> 1581ad6265SDimitry Andric #include <__iterator/iter_swap.h> 1681ad6265SDimitry Andric 1781ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1881ad6265SDimitry Andric # pragma GCC system_header 1981ad6265SDimitry Andric #endif 2081ad6265SDimitry Andric 2181ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2281ad6265SDimitry Andric 2306c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 2481ad6265SDimitry Andric 2581ad6265SDimitry Andric template <class _Iterator> 2681ad6265SDimitry Andric concept permutable = 27*cb14a3feSDimitry Andric forward_iterator<_Iterator> && indirectly_movable_storable<_Iterator, _Iterator> && 2881ad6265SDimitry Andric indirectly_swappable<_Iterator, _Iterator>; 2981ad6265SDimitry Andric 3006c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 3181ad6265SDimitry Andric 3281ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 3381ad6265SDimitry Andric 3481ad6265SDimitry Andric #endif // _LIBCPP___ITERATOR_PERMUTABLE_H 35