Post #2241181

@kinnison@social.flarn.net @bal4e@tech.lgbt I'm building a modding/scripting framework with hot reload, currently trying to get away with merely `std::sync::Weak` and a bit of https://docs.rs/weak-table/latest/weak_table/index.html (the latter's structs have a `remove_expired` cleanup function). Admittedly very pedestrian but I thought I'd mention it