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1 | // |
2 | // cpp03/can_require_not_applicable_static.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/require.hpp> | |
12 | #include <cassert> | |
13 | ||
14 | template <int> | |
15 | struct prop | |
16 | { | |
17 | static const bool is_requirable = true; | |
18 | }; | |
19 | ||
20 | template <int> | |
21 | struct object | |
22 | { | |
23 | }; | |
24 | ||
25 | namespace boost { | |
26 | namespace asio { | |
27 | namespace traits { | |
28 | ||
29 | template<int N> | |
30 | struct static_require<object<N>, prop<N> > | |
31 | { | |
32 | static const bool is_valid = true; | |
33 | }; | |
34 | ||
35 | } // namespace traits | |
36 | } // namespace asio | |
37 | } // namespace boost | |
38 | ||
39 | int main() | |
40 | { | |
41 | assert((!boost::asio::can_require<object<1>, prop<1> >::value)); | |
42 | assert((!boost::asio::can_require<object<1>, prop<1>, prop<1> >::value)); | |
43 | assert((!boost::asio::can_require<object<1>, prop<1>, prop<1>, prop<1> >::value)); | |
44 | assert((!boost::asio::can_require<const object<1>, prop<1> >::value)); | |
45 | assert((!boost::asio::can_require<const object<1>, prop<1>, prop<1> >::value)); | |
46 | assert((!boost::asio::can_require<const object<1>, prop<1>, prop<1>, prop<1> >::value)); | |
47 | } |