12 lines
289 B
Scheme
12 lines
289 B
Scheme
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;;; simple factorial function
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;;; it is interesting to change the 'lambda' into 'trace-lambda'
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;;; or simply type (trace fact) before running fact to observe
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;;; the nesting of recursive calls.
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(define fact
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(lambda (x)
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(if (zero? x)
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1
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(* x (fact (1- x))))))
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