1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___ITERATOR_DEFAULT_SENTINEL_H 11fe6060f1SDimitry Andric #define _LIBCPP___ITERATOR_DEFAULT_SENTINEL_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric 15fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16fe6060f1SDimitry Andric # pragma GCC system_header 17fe6060f1SDimitry Andric #endif 18fe6060f1SDimitry Andric 19fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 20fe6060f1SDimitry Andric 21*06c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 22fe6060f1SDimitry Andric 23fe6060f1SDimitry Andric struct default_sentinel_t {}; 24fe6060f1SDimitry Andric inline constexpr default_sentinel_t default_sentinel{}; 25fe6060f1SDimitry Andric 26*06c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 27fe6060f1SDimitry Andric 28fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 29fe6060f1SDimitry Andric 30fe6060f1SDimitry Andric #endif // _LIBCPP___ITERATOR_DEFAULT_SENTINEL_H 31