| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| // UNSUPPORTED: libcpp-no-concepts |
| // UNSUPPORTED: libcpp-has-no-incomplete-ranges |
| |
| // <ranges> |
| |
| // struct view_base { }; |
| |
| #include <ranges> |
| #include <type_traits> |
| |
| static_assert(std::is_empty_v<std::ranges::view_base>); |
| static_assert(std::is_trivial_v<std::ranges::view_base>); |
| |
| // Make sure we can inherit from it, as it's intended (that wouldn't be the |
| // case if e.g. it was marked as final). |
| struct View : std::ranges::view_base { }; |
