Polling: via "use Task" and recursive poll() under Supervisor, versus GenServer + Process.send_after()

[benwilson512]

@RudManusachi

One advantage of using Task over GenServer comes to mind is the fact that Tasks have built in support for Ancestor and Caller Tracking which allows to easily test them with async: true.

GenServers also have ancestors so I’m not really sure that this is a relevant bit here.

@mekusigjinn it is much more idiomatic to use a GenServer for polling than a task. A GenServer with send_after will also let you inspect it with :sys.get_state and so on because it isn’t blocking while waiting.