Async Rust Patterns: Send a Sender

Another quick pattern overview and/or reminder for those of us like myself who sometimes miss the obvious: if you need to get a message from some background task, to which you already have the Sender side of a Sender/Receiver pair, rather than creating a new inverse Sender/Receiver pair and dealing with the hassle of storing them, you can just make a quick Sender and send that through the existing…