(fnext coll)
Same as (first (next coll))
(first (next coll))
(fnext [1 2 3]) ;;=> 2 (fnext [1 2]) ;;=> 2 (fnext [1]) ;;=> nil (fnext []) ;;=> nil
Same as (first (next x))
(defn fnext [coll] (first (next coll)))