If you're using it for code (the way Lisp uses linked lists) you know when one function ends and a nested one begins. I'd like to point out, however, that this

If you're using it for code (the way Lisp uses linked lists) you know when one function ends and a nested one begins. I'd like to point out, however, that this is in theory, as I haven't seen this data structure doing anything other than moving data around.