Error">OnError</a> -&gt; IO r -&gt; IO r</p><div class="doc"><p>Create a subscriber that works in a background thread;
   Whenever data are available, an application callback passed in
   to the function is called with the message that has arrived.
</p><ul><li> <code>Con</code>: Connection to a Stomp broker;
</li><li> String: Subscriber name used for error reporting;
</li><li> <code><a href="Network-Mom-Stompl-Patterns-Basic.html#t:JobName">JobName</a></code>: Subscribed topic;
</li><li> <code><a href="Netw