| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H |
| #define _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H |
| |
| // These customization variables are used in <span> and <string_view>. The |
| // separate header is used to avoid including the entire <ranges> header in |
| // <span> and <string_view>. |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER >= 20 |
| |
| namespace ranges { |
| |
| // [range.range], ranges |
| |
| template <class> |
| inline constexpr bool enable_borrowed_range = false; |
| |
| } // namespace ranges |
| |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___RANGES_ENABLE_BORROWED_RANGE_H |
