On Fri, Sep 18, 2009 at 3:52 PM, Patrik Fredriksson <patri...@gmail.com>wrote:
> > Hi! > > Could someone please help me understand why the following causes a > java.lang.OutOfMemoryError: Java heap space for large n:s (100000 > works fine, 1000000 does not). > > (def integers (iterate inc 1)) > > (defn limited-reduce [fn coll n] > (loop [c coll i n result 0] > (if (zero? i) > result > (recur > (rest c) > (dec i) > (fn result (first c)))))) > > (limited-reduce + integers 100000) > > Many thanks! With (def integers (iterate inc 1)) you're holding on to the head of the sequence. Try it with (defn integers [] (iterate inc 1)) and (limited-reduce + (integers) 1000000) and the OOME should not occur. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
