Clojure: rest vs. next

Question

I\'m having a hard time understanding the difference between rest and next in Clojure. The official site\'s page on laziness indicates that the pre

Answer 1

I now prefer to use next with recursion, as the escape-evaluation is simpler/cleaner:

(loop [lst a-list]
    (when lst
        (recur (next lst))

vs

(loop [lst a-list]
    (when-not (empty? lst)   ;; or (when (seq? lst)
        (recur (rest lst))

A case for using rest, though, would be if you use a collection as a queue or stack. In that case you want your function to return an empty collection when popping or dequeueing the last item.