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, c++20 |
10 | |
11 | // template <class... Rs> |
12 | // zip_view(Rs&&...) -> zip_view<views::all_t<Rs>...>; |
13 | |
14 | #include <cassert> |
15 | #include <ranges> |
16 | #include <utility> |
17 | |
18 | struct Container { |
19 | int* begin() const; |
20 | int* end() const; |
21 | }; |
22 | |
23 | struct View : std::ranges::view_base { |
24 | int* begin() const; |
25 | int* end() const; |
26 | }; |
27 | |
28 | void testCTAD() { |
29 | static_assert(std::is_same_v<decltype(std::ranges::zip_view(Container{})), |
30 | std::ranges::zip_view<std::ranges::owning_view<Container>>>); |
31 | |
32 | static_assert(std::is_same_v<decltype(std::ranges::zip_view(Container{}, View{})), |
33 | std::ranges::zip_view<std::ranges::owning_view<Container>, View>>); |
34 | |
35 | Container c{}; |
36 | static_assert(std::is_same_v< |
37 | decltype(std::ranges::zip_view(Container{}, View{}, c)), |
38 | std::ranges::zip_view<std::ranges::owning_view<Container>, View, std::ranges::ref_view<Container>>>); |
39 | } |
40 | |