In this case, we don't even need a concurrency-friendly MPSC queue, since this code only ever gets run in the event loop associated to the channel, so a simple `ArrayDeque` is enough for our needs.
In this case, we don't even need a concurrency-friendly MPSC queue, since this code only ever gets run in the event loop associated to the channel, so a simple `ArrayDeque` is enough for our needs.