alexispurslane/gist:7dd5dc71ec9c41d21f53

Last active August 29, 2015 14:01

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Tail call optimized factorial in Racket.

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gistfile1.rkt

	(define fact (lambda (n [state 1])
	(cond
	[(zero? n) state]
	[else
	(factorial (- n 1) (* state n))])))
	(fact 4)

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