;;; JitterLisp (almost -*- Scheme -*- for Emacs) iterative down-counter.

;;; Copyright (C) 2017 Luca Saiu
;;; Written by Luca Saiu

;;; This file is part of the JitterLisp language implementation, distributed as
;;; an example along with GNU Jitter under the same license.

;;; Jitter is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation, either version 3 of the License, or
;;; (at your option) any later version.

;;; Jitter is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.

;;; You should have received a copy of the GNU General Public License
;;; along with GNU Jitter.  If not, see <https://www.gnu.org/licenses/>. */


(define (count-down n)
  (while (not (zero? n))
    (set! n (1- n))))

;;(count-down 2000000000)
(count-down 2000000)
