15 lines
249 B
Scheme
15 lines
249 B
Scheme
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; Copyright (c) 1994 by Richard Kelsey. See file COPYING.
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(define *one* 1)
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(define (fact n)
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(let loop ((i n) (r *one*))
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(if (<= *one* i)
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(loop (- i *one*) (* i r))
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r)))
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(define (all)
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(set! *one* (fact (if (> (fact 10) 100) 10 20))))
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