RosettaCodeData/Task/Multiplication-tables/Clojure/multiplication-tables.clj

14 lines
553 B
Clojure

(let [size 12
trange (range 1 (inc size))
fmt-width (+ (.length (str (* size size))) 1)
fmt-str (partial format (str "%" fmt-width "s"))
fmt-dec (partial format (str "% " fmt-width "d"))]
(doseq [s (cons
(apply str (fmt-str " ") (map #(fmt-dec %) trange))
(for [i trange]
(apply str (fmt-dec i) (map #(fmt-str (str %))
(map #(if (>= % i) (* i %) " ")
(for [j trange] j))))))]
(println s)))