I think I have an usable version of my borrow checker.
The only feeling I got making this was "wow it's useless, totally redundant with
ARC and just ensure thread safety... with so much sacrifice"

You can still try it to freak out your AI agent though 😅
https://github.com/Gesee-y/CBorrowing

Closures and generics not currently supported.
Was a great experience to explore nimony's plugin though.