| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| 10 | |
| 11 | // template<class T> |
| 12 | // concept sized_range; |
| 13 | |
| 14 | #include <ranges> |
| 15 | |
| 16 | template <std::ranges::range R> |
| 17 | consteval bool check_subsumption() { |
| 18 | return false; |
| 19 | } |
| 20 | |
| 21 | template <std::ranges::sized_range R> |
| 22 | consteval bool check_subsumption() { |
| 23 | return true; |
| 24 | } |
| 25 | |
| 26 | static_assert(check_subsumption<int[5]>()); |
| 27 | |