10 lines
182 B
Swift
10 lines
182 B
Swift
let fib: Int -> Int = {
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var f: (Int -> Int)!
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f = { n in
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assert(n >= 0, "fib: no negative numbers")
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return n < 2 ? 1 : f(n-1) + f(n-2)
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}
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return f
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}()
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println(fib(8))
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