Oddbean new post about login | logout definitely helps to not be new to rust. I found myself getting frustrated awhile back but then I realized what I needed was lifetime annotations and I just never knew how to use them to get around borrow checker issues.
using them I was able to make the rust nostrdb bindings zero copy, which is a big deal when you are rendering at 144fps+ and hundreds of queries are being executed every frame. nostrdb is really this fast and its bonkers.
Have you published the nostrdb binding as a rust crate yet?