clojure-koans/src/koans/destructuring.clj

(meditations
  "Destructuring is an arbiter: it breaks up arguments"
  (= __ ((fn [[a b]] (str b a))
           [:foo :bar]))

  "Whether in function definitions"
  (= (str "First comes love, "
          "then comes marriage, "
          "then comes Clojure with the baby carriage")
     ((fn [[a b c]] __)
       ["love" "marriage" "Clojure"]))

  "Or in let expressions"
  (= "Rich Hickey aka The Clojurer aka Go Time aka Macro Killah"
     (let [[first-name last-name & aliases]
             (list "Rich" "Hickey" "The Clojurer" "Go Time" "Macro Killah")]
       __))

  "You can regain the full argument if you like arguing"
  (= {:original-parts ["Steven" "Hawking"] :named-parts {:first "Steven" :last "Hawking"}}
     (let [[first-name last-name :as full-name] ["Steven" "Hawking"]]
       __))

)