> `select!` is not more than looping through a couple of `try_recv` calls. That's wrong. Any `try_recv` call will not make the thread park until one of the exp

> `select!` is not more than looping through a couple of `try_recv` calls. That's wrong. Any `try_recv` call will not make the thread park until one of the expected action happened. You can implement a busy loop which calls `try_recv()` - but this is by far not as efficient as what `select` does.