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 | // UNSUPPORTED: no-filesystem |
11 | // UNSUPPORTED: availability-filesystem-missing |
12 | |
13 | // <filesystem> |
14 | |
15 | // template <> |
16 | // inline constexpr bool ranges::enable_borrowed_range<filesystem::directory_iterator> = true; |
17 | // template <> |
18 | // inline constexpr bool ranges::enable_borrowed_range<filesystem::recursive_directory_iterator> = true; |
19 | |
20 | #include <filesystem> |
21 | #include <ranges> |
22 | |
23 | template<class Range> |
24 | void test() { |
25 | static_assert(std::ranges::enable_borrowed_range<Range>); |
26 | static_assert(!std::ranges::enable_borrowed_range<Range&>); |
27 | static_assert(!std::ranges::enable_borrowed_range<const Range>); |
28 | } |
29 | |
30 | void test() { |
31 | test<std::filesystem::directory_iterator>(); |
32 | test<std::filesystem::recursive_directory_iterator>(); |
33 | } |
34 | |