Because the compiler is upset that it doesn't know what n is. r is a
long, but n is ???. The following works:
(defn ^:static fact [^long n]
(loop [n n r 1]
(if (zero? n)
r
(recur (dec n) (* r n)))))
Or see Dnolen's version above. But yeah, I wish that it still worked,
because it used to work just fine.
Rob
On Jun 19, 8:22 pm, Mike Meyer <mwm-keyword-googlegroups.
620...@mired.org> wrote:
> "Rob Lachlan" <robertlach...@gmail.com> wrote:
> >Actually, Mike, your two functions work just fine. (Equal branch).
> >Mind you I checked that out over two hours ago, so this information
> >might be out of date.
>
> >Rob
>
> >On Jun 19, 6:59 pm, Mike Meyer <mwm-keyword-googlegroups.
>
> Ok, why does this work but the fact fail? Or does the fact example still fail
> on that build?
>
> The fact that this requires explanation is a pretty good argument the fact
> behavior.
>
> >> (defn count-in [value col]
> >> (loop [value value col col res 0]
> >> (if (empty? col)
> >> res
> >> (recur value (rest col) (if (= (first col) value) (inc res)
> >> res)))))
>
> >> (defn ones-n-zeros [vectors]
> >> (loop [vectors vectors m-zeros 0 m-ones 0]
> >> (if (empty? vectors)
> >> [m-zeros m-ones]
> >> (let [data (first vectors)
> >> zeros (count-in 0 data)
> >> ones (count-in 1 data)]
> >> (recur (rest vectors) (if (> zeros ones) (inc m-zeros) m-zeros)
> >> (if (> ones zeros) (inc m-ones)
> >> m-ones))))))
>
> --
> Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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