(defn countdown [& {:keys [from]
:or {from 10}}]
(println from)
(when (pos? from)
(recur {:from (dec from)})))
Passing {:from (dec from)} instead of :from (dec from) works.
Regards...
--
Nurullah Akkaya
http://nakkaya.com
On Sun, Jun 6, 2010 at 2:22 PM, Jonas Enlund <jonas.enl...@gmail.com> wrote:
> The function definition below fails with
> "java.lang.IllegalArgumentException: Mismatched argument count to
> recur, expected: 1 args, got: 2"
>
> (defn countdown [& {:keys [from]
> :or {from 10}}]
> (println from)
> (when (pos? from)
> (recur :from (dec from))))
>
> Is it not possible to recur on a function which uses keyword
> arguments? If so, is using loop/recur the correct workaround?
>
> - Jonas
>
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