> I also read the sort function in clojure.core, but it make confused.
>
> 01 (defn sort
> 02 "Returns a sorted sequence of the items in coll. If no comparator is
> 03 supplied, uses compare. comparator must
> 04 implement java.util.Comparator."
> 05 {:added "1.0"
> 06 :static true}
> 07 ([coll]
> 08 (sort compare coll))
> 09 ([^java.util.Comparator comp coll]
> 10 (if (seq coll)
> 11 (let [a (to-array coll)]
> 12 (. java.util.Arrays (sort a comp))
> 13 (seq a))
> 14 ())))
>
> The only palace where recursive happens is at line 12. It just swap the two
> input parameters!
> Could you please explain to me why this piece of code is runs?
The sort on line#12 is actually the sort method on java.util.Arrays
Regards,
BG
--
Baishampayan Ghose
b.ghose at gmail.com
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