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20effc67 TL |
1 | // |
2 | // cpp14/can_prefer_not_applicable_unsupported.cpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
1e59de90 | 5 | // Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
20effc67 TL |
6 | // |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #include <boost/asio/prefer.hpp> | |
12 | #include <cassert> | |
13 | ||
14 | template <int> | |
15 | struct prop | |
16 | { | |
17 | }; | |
18 | ||
19 | template <int> | |
20 | struct object | |
21 | { | |
22 | }; | |
23 | ||
24 | int main() | |
25 | { | |
26 | static_assert(!boost::asio::can_prefer_v<object<1>, prop<2>>, ""); | |
27 | static_assert(!boost::asio::can_prefer_v<object<1>, prop<2>, prop<3>>, ""); | |
28 | static_assert(!boost::asio::can_prefer_v<object<1>, prop<2>, prop<3>, prop<4>>, ""); | |
29 | static_assert(!boost::asio::can_prefer_v<const object<1>, prop<2>>, ""); | |
30 | static_assert(!boost::asio::can_prefer_v<const object<1>, prop<2>, prop<3>>, ""); | |
31 | static_assert(!boost::asio::can_prefer_v<const object<1>, prop<2>, prop<3>, prop<4>>, ""); | |
32 | } |