6 lines
233 B
Text
6 lines
233 B
Text
def (fib n saved)
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# all args in Wart are optional, and we expect callers to not provide `saved`
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default saved :to (table 0 0 1 1) # pre-populate base cases
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default saved.n :to
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(+ (fib n-1 saved) (fib n-2 saved))
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saved.n
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