9 lines
133 B
Text
9 lines
133 B
Text
n@(Integer traits) fib
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[
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n <= 0 ifTrue: [^ 0].
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n = 1 ifTrue: [^ 1].
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(n - 1) fib + (n - 2) fib
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].
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slate[15]> 10 fib = 55.
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True
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