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___RANGES_FROM_RANGE_H 11 #define _LIBCPP___RANGES_FROM_RANGE_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_BEGIN_NAMESPACE_STD 20 21 #if _LIBCPP_STD_VER >= 23 22 23 struct from_range_t { 24 explicit from_range_t() = default; 25 }; 26 27 inline constexpr from_range_t from_range{}; 28 29 #endif // _LIBCPP_STD_VER >= 23 30 31 _LIBCPP_END_NAMESPACE_STD 32 33 #endif // _LIBCPP___RANGES_FROM_RANGE_H 34