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1//
2// cpp11/can_require_concept_not_applicable_static.cpp
3// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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_concept.hpp>
12#include <cassert>
13
14template <int>
15struct prop
16{
17 static constexpr bool is_requirable_concept = true;
18};
19
20template <int>
21struct object
22{
23};
24
25namespace boost {
26namespace asio {
27namespace traits {
28
29template<int N>
30struct static_require_concept<object<N>, prop<N> >
31{
32 static constexpr bool is_valid = true;
33};
34
35} // namespace traits
36} // namespace asio
37} // namespace boost
38
39int main()
40{
41 static_assert(!boost::asio::can_require_concept<object<1>, prop<2>>::value, "");
42 static_assert(!boost::asio::can_require_concept<const object<1>, prop<2>>::value, "");
43}