comp(clojure.core)

Takes a set of functions and returns a fn that is the composition of those fns. The returned fn takes a variable number of args, applies the rightmost of fns to the args, the next fn (right-to-left) to the result, etc.

; clojure/core.clj:1420
(defn comp
  [& fs]
    (let [fs (reverse fs)]
      (fn [& args]
        (loop [ret (apply (first fs) args) fs (next fs)]
          (if fs
            (recur ((first fs) ret) (next fs))
            ret)))))

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