Sha256: 06e5f8fe66b1f23f445e980b534dba9cc565e9bd7638549688f38e5c67574780
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Size: 1.75 KB
Versions: 34
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Stored size: 1.75 KB
Contents
//
// redirect_error.hpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 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 ASIO_REDIRECT_ERROR_HPP
#define ASIO_REDIRECT_ERROR_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/type_traits.hpp"
#include "asio/error_code.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
/// Completion token type used to specify that an error produced by an
/// asynchronous operation is captured to an error_code variable.
/**
* The redirect_error_t class is used to indicate that any error_code produced
* by an asynchronous operation is captured to a specified variable.
*/
template <typename CompletionToken>
class redirect_error_t
{
public:
/// Constructor.
template <typename T>
redirect_error_t(ASIO_MOVE_ARG(T) completion_token,
asio::error_code& ec)
: token_(ASIO_MOVE_CAST(T)(completion_token)),
ec_(ec)
{
}
//private:
CompletionToken token_;
asio::error_code& ec_;
};
/// Create a completion token to capture error_code values to a variable.
template <typename CompletionToken>
inline redirect_error_t<typename decay<CompletionToken>::type> redirect_error(
ASIO_MOVE_ARG(CompletionToken) completion_token,
asio::error_code& ec)
{
return redirect_error_t<typename decay<CompletionToken>::type>(
ASIO_MOVE_CAST(CompletionToken)(completion_token), ec);
}
} // namespace asio
#include "asio/detail/pop_options.hpp"
#include "asio/impl/redirect_error.hpp"
#endif // ASIO_REDIRECT_ERROR_HPP
Version data entries
34 entries across 34 versions & 1 rubygems