Ah, wrapping the initial `acc` val in `(num)` works... On 20 June 2015 at 15:05, Karsten Schmidt <i...@toxi.co.uk> wrote: > I just encountered a problem with recur, I never came across before. > Am trying to generate `coll-reduce` implementations over primitive > nd-arrays and get bitten by special type restrictions on recur args if > they're an initially primitive value (using 1.7.0-RC2): > > (loop [acc (aget ^bytes a 0) i 1] > (if (< i 2) > (recur (+ acc (aget ^bytes a i)) (inc i)))) > > CompilerException java.lang.IllegalArgumentException: > recur arg for primitive local: acc is not matching primitive, had: > long, needed: byte > > Is there any way to avoid this compiler error, since I can't predict > what type the reduction fn (`+` in the example) will return... > > Usually one wants of course as little boxing as possible, but here're > I'd very much like to, but don't know how to do so with that initial > `acc` val...
-- Karsten Schmidt http://postspectacular.com | http://thi.ng | http://toxiclibs.org -- 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 --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
