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Amiga Format CD 41
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Amiga Format CD41 (1999-06)(Future Publishing)(GB)[!][issue 1999-07].iso
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-seriously_amiga-
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programming
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scm
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slib
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mularg.scm
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1999-04-19
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323b
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13 lines
;;; "mularg.scm" Redefine - and / to take more than 2 arguments.
(define / /)
(define - -)
(let ((maker
(lambda (op)
(lambda (d1 . ds)
(cond ((null? ds) (op d1))
((null? (cdr ds)) (op d1 (car ds)))
(else (for-each (lambda (d) (set! d1 (op d1 d))) ds) d1))))))
(set! / (maker /))
(set! - (maker -)))