[/
    Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail 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)
]

[section:streams Streams requirements]

Stream types represent objects capable of performing synchronous or
asynchronous I/O. They are based on concepts from `boost::asio`.

[heading:Stream Stream]

A type modeling [*`Stream`] meets either or both of the following requirements:

* [*`AsyncStream`]
* [*`SyncStream`]

[heading:AsyncStream AsyncStream]

A type modeling [*`AsyncStream`] meets the following requirements:

* [@http://www.boost.org/doc/libs/1_61_0/doc/html/boost_asio/reference/AsyncReadStream.html [*`AsyncReadStream`]]
* [@http://www.boost.org/doc/libs/1_61_0/doc/html/boost_asio/reference/AsyncWriteStream.html [*`AsyncWriteStream`]]

[heading:SyncStream SyncStream]

A type modeling [*`SyncStream`] meets the following requirements:

* [@http://www.boost.org/doc/libs/1_61_0/doc/html/boost_asio/reference/SyncReadStream.html [*`SyncReadStream`]]
* [@http://www.boost.org/doc/libs/1_61_0/doc/html/boost_asio/reference/SyncWriteStream.html [*`SyncWriteStream`]]

[endsect]