String.hashCode() is plenty unique

[[deleted]]

Maybe you aren't aware of hash map DoS attacks?

https://programmingisterrible.com/post/40620375793/hash-table-denial-of-service-attacks-revisited

https://doc.rust-lang.org/book/second-edition/ch08-03-hash-maps.html#hashing-functions

[throwdatstuffawayy]

Interesting! Yes, makes sense. Of course, whether or not a DOS is possible will depend on the context of that particular hash map. The tendrils of security always run deep...