(defn third-one (c)
(ref #nil 123))
(defn second-one (b c)
(third-one c))
(defn first-one (a b c)
(second-one b c))
(first-one :a 2 "c")
(defn third-one (c)
(ref #nil 123))
(defn second-one (b c)
(third-one c))
(defn first-one (a b c)
(second-one b c))
(first-one :a 2 "c")