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//
// async_result.hpp
// ~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2014 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)
//
#ifndef ARCHETYPES_ASYNC_RESULT_HPP
#define ARCHETYPES_ASYNC_RESULT_HPP
#include <boost/asio/async_result.hpp>
#include <boost/asio/handler_type.hpp>
namespace archetypes {
struct lazy_handler
{
};
struct concrete_handler
{
concrete_handler(lazy_handler)
{
}
template <typename Arg1>
void operator()(Arg1)
{
}
template <typename Arg1, typename Arg2>
void operator()(Arg1, Arg2)
{
}
};
} // namespace archetypes
namespace boost {
namespace asio {
template <typename Signature>
struct handler_type<archetypes::lazy_handler, Signature>
{
typedef archetypes::concrete_handler type;
};
template <>
class async_result<archetypes::concrete_handler>
{
public:
// The return type of the initiating function.
typedef int type;
// Construct an async_result from a given handler.
explicit async_result(archetypes::concrete_handler&)
{
}
// Obtain the value to be returned from the initiating function.
type get()
{
return 42;
}
};
} // namespace asio
} // namespace boost
#endif // ARCHETYPES_ASYNC_RESULT_HPP
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