RosettaCodeData/Task/Fibonacci-sequence/LFE/fibonacci-sequence-2.lfe
2016-12-05 23:44:36 +01:00

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152 B
Text

(defun fib
((n) (when (>= n 0))
(fib n 0 1)))
(defun fib
((0 result _)
result)
((n result next)
(fib (- n 1) next (+ result next))))