fib.kpl


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// Fibonacci Example

fib_recursive : `{[I64 n]
    ? n < 0 { .error $ "n Cannot Be Negative" }
    fib : `{[I64 n]
        ? {
            n = 0 { 0 }
            n < 2 { 1 }
            { + (fib `sync n - 1; fib `sync n - 2) }
        }
    }
    fib `sync n
}

fib_loop : `{[I64 n]
    ? n < 0 { `return.error $ "n Cannot Be Negative" }
    a : 0
    b : 1
    @ 0 .. n {
        c : b
        b +: a
        a : c
    }
    a
}

fib_array : `{[I64 n]
    ? {
        n < 0 { `return.error $ "n Cannot Be Negative" }
        n > 1 { n -: 1 }
    }
    arr : Array (0; 1)
    @ 0 .. n {
        arr `push arr[-2] + arr[-1]
    }
    arr
}