Expyron

Structopt is not maintained anymore: https://github.com/TeXitoi/structopt/issues/525 Its author recommends moving to clap v3.

Although you probably don't want to increase the MSRV that much for now, `VecDeque::new()` was made `const` in 1.68, so it'll be possible to remove `lazy_static`/`once_cell` usage altogether at some...

Why not forego lazy initialization altogether and use a constant initializer? `AtomicUsize::new`, `Mutex::new` and `VecDeque::new` are all const since at most Rust 1.68, so you don't even need to increase...

Maybe I misunderstood the purpose of this test; my understanding was that it was only intended to test the `Multi::assign()` API which is not tested anywhere else. My goal was...

There is no other motivation than just updating mio. Let me know if you want me to try and rewrite it using another event loop (`tokio` maybe). Otherwise feel free...