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 | // single_view(T) -> single_view<T>; |
13 | |
14 | #include <ranges> |
15 | |
16 | #include <cassert> |
17 | #include <concepts> |
18 | |
19 | #include "test_iterators.h" |
20 | |
21 | struct Empty {}; |
22 | |
23 | static_assert(std::same_as< |
24 | decltype(std::ranges::single_view(Empty())), |
25 | std::ranges::single_view<Empty> |
26 | >); |
27 | |
28 | static_assert(std::same_as< |
29 | decltype(std::ranges::single_view(std::declval<Empty&>())), |
30 | std::ranges::single_view<Empty> |
31 | >); |
32 | |
33 | static_assert(std::same_as< |
34 | decltype(std::ranges::single_view(std::declval<Empty&&>())), |
35 | std::ranges::single_view<Empty> |
36 | >); |
37 | |