1*81ad6265SDimitry Andric // -*- C++ -*- 2*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 3*81ad6265SDimitry Andric // 4*81ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*81ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6*81ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*81ad6265SDimitry Andric // 8*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 9*81ad6265SDimitry Andric 10*81ad6265SDimitry Andric #ifndef _LIBCPP___ITERATOR_PERMUTABLE_H 11*81ad6265SDimitry Andric #define _LIBCPP___ITERATOR_PERMUTABLE_H 12*81ad6265SDimitry Andric 13*81ad6265SDimitry Andric #include <__config> 14*81ad6265SDimitry Andric #include <__iterator/concepts.h> 15*81ad6265SDimitry Andric #include <__iterator/iter_swap.h> 16*81ad6265SDimitry Andric 17*81ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18*81ad6265SDimitry Andric # pragma GCC system_header 19*81ad6265SDimitry Andric #endif 20*81ad6265SDimitry Andric 21*81ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 22*81ad6265SDimitry Andric 23*81ad6265SDimitry Andric #if _LIBCPP_STD_VER > 17 24*81ad6265SDimitry Andric 25*81ad6265SDimitry Andric template <class _Iterator> 26*81ad6265SDimitry Andric concept permutable = 27*81ad6265SDimitry Andric forward_iterator<_Iterator> && 28*81ad6265SDimitry Andric indirectly_movable_storable<_Iterator, _Iterator> && 29*81ad6265SDimitry Andric indirectly_swappable<_Iterator, _Iterator>; 30*81ad6265SDimitry Andric 31*81ad6265SDimitry Andric #endif // _LIBCPP_STD_VER > 17 32*81ad6265SDimitry Andric 33*81ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 34*81ad6265SDimitry Andric 35*81ad6265SDimitry Andric #endif // _LIBCPP___ITERATOR_PERMUTABLE_H 36