Sha256: b55cf8c79ee0d892648bc0d8a8836f7f4340f0a1b549fa30a64f0998ee8ca463
Contents?: true
Size: 1.57 KB
Versions: 12
Compression:
Stored size: 1.57 KB
Contents
//
// handler_type.hpp
// ~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2018 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 BOOST_ASIO_HANDLER_TYPE_HPP
#define BOOST_ASIO_HANDLER_TYPE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#include <boost/asio/detail/type_traits.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
/// (Deprecated: Use two-parameter version of async_result.) Default handler
/// type traits provided for all completion token types.
/**
* The handler_type traits class is used for determining the concrete handler
* type to be used for an asynchronous operation. It allows the handler type to
* be determined at the point where the specific completion handler signature
* is known.
*
* This template may be specialised for user-defined completion token types.
*/
template <typename CompletionToken, typename Signature, typename = void>
struct handler_type
{
/// The handler type for the specific signature.
typedef typename conditional<
is_same<CompletionToken, typename decay<CompletionToken>::type>::value,
decay<CompletionToken>,
handler_type<typename decay<CompletionToken>::type, Signature>
>::type::type type;
};
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_HANDLER_TYPE_HPP
Version data entries
12 entries across 12 versions & 1 rubygems