Seven More Languages in Seven Weeks Exercises - Lua => Fennel

day1.fnl

;; Exercies 1
;; Write a function called ends_in_3(num) that returns true if the final digit of num is 3, and false otherwise.

(fn ends_in_3 [num]
  (let [num-str (.. "" num)]
    (let [tbl (icollect [s (string.gmatch num-str "%d")] s)]
      (if (= "3" (. tbl (length tbl)))
        true
        false))))