boost/libs/asio/test/properties/cpp03/can_require_concept_static.cpp
2021-10-05 21:37:46 +02:00

51 lines
1018 B
C++

//
// cpp03/can_require_concept_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/asio/require_concept.hpp>
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
};
namespace boost {
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require_concept<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
} // namespace boost
int main()
{
assert((boost::asio::can_require_concept<object<1>, prop<1> >::value));
assert((boost::asio::can_require_concept<const object<1>, prop<1> >::value));
}