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(original version)

Date:04/20/05
Author:Tim Goodwin
URL:n/a
Comments:2
Info:n/a
Score: (4.08 in 608 votes)
;;; Tim Goodwin (tim@pipex.net)

(define bottles
  (lambda (n)
    (cond ((= n 0) (display "No more bottles"))
          ((= n 1) (display "One bottle"))
          (else (display n) (display " bottles")))
    (display " of beer")))

(define beer
  (lambda (n)
    (if (> n 0)
        (begin
          (bottles n) (display " on the wall") (newline)
          (bottles n) (newline)
          (display "Take one down, pass it around") (newline)
          (bottles (- n 1)) (display " on the wall") (newline)
          (newline)
          (beer (- n 1))))))

(beer 99)

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Alternative Versions

VersionAuthorDateCommentsRate
REALLY using hygienic macrosNMH02/02/110
slightly shorter, efficient, featurefulRicardo Malafaia08/29/051
define-less versionlambda the ultimate10/14/100
uses the hygenic macro systemEvan Farrer08/11/052
Cleanly factored MAP-based versionGnomon04/18/082

Comments

>>  Paul said on 07/13/09 15:35:32

Paul Beautiful and elegant.

>>  Ryan said on 12/13/09 17:41:51

Ryan Beautiful and elegant = clever?


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