1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef _LIBCPP___ITERATOR_DEFAULT_SENTINEL_H 11 #define _LIBCPP___ITERATOR_DEFAULT_SENTINEL_H 12 13 #include <__config> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 #pragma GCC system_header 17 #endif 18 19 _LIBCPP_PUSH_MACROS 20 #include <__undef_macros> 21 22 _LIBCPP_BEGIN_NAMESPACE_STD 23 24 #if !defined(_LIBCPP_HAS_NO_RANGES) 25 26 struct default_sentinel_t { }; 27 inline constexpr default_sentinel_t default_sentinel{}; 28 29 #endif // !defined(_LIBCPP_HAS_NO_RANGES) 30 31 _LIBCPP_END_NAMESPACE_STD 32 33 _LIBCPP_POP_MACROS 34 35 #endif // _LIBCPP___ITERATOR_DEFAULT_SENTINEL_H 36