On Thu, May 26, 2011 at 7:54 PM, Andreas Kostler < andreas.koestler.le...@gmail.com> wrote:
> Hi guys, > I'm kinda lost as to what's going on here...With clojure-1.2.0 > > (defn bin-search [v k c] > (loop [l 0 > h (dec (count v))] > (if (> l h) false > (let [m (quot (+ l h) 2) > m-v (v m)] > (cond (> m-v k) (recur (inc m) h) > (> k m-v) (recur l (dec m)) > :else m))))) > > This bombs out with: > java.lang.IllegalArgumentException: recur arg for primitive local: h must > be matching primitive > > With 1.3.0-master-SNAPSHOT it works fine. Any ideas what I'm doing wrong? > Andreas > In 1.2.0 count was inlined, thus returned a primitive causing dec to return a primitive. But l does not have type hint - thus (+ l h) returns a boxed number - so m is also boxed. You recur with m in h's place which is primitive. Thus the error. David David -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
