Yeah, that's familiar. I chose for myself a project in which the data structure was a tree that should be generated randomly, but under some constraints. Also

Yeah, that's familiar. I chose for myself a project in which the data structure was a tree that should be generated randomly, but under some constraints. Also I tried to write it using functional paradigms, using many closures. I hit so many walls doing that that when it sort of worked, finally, I never wanted to touch Rust again.