complexity.clj

;;
;; Not having used clojure with more than one person, I'm curious if code like this
;; would generally be considered too dense/unclear
;;

(defn changes
  "Takes two maps and returns a map of the differences"
  [suspense-data master-data]
  (let [sd (set suspense-data), md (set master-data)
        keyz (distinct (map first (clojure.set/difference
                         sd
                         (clojure.set/intersection md sd))))]
    (apply hash-map (reduce concat
                            (map (fn [k] [k {:old (k master-data) :new (k suspense-data)}]) keyz)))))