I'm glad you pointed this out! On stackoverflow everyone was assuming filter was completely lazy in all cases
On Sunday, May 19, 2013 at 4:54:53 PM UTC+2, Jim foo.bar wrote: > > ha! you cheated with iterate... > > try this which is closer to the example... > > (first (filter odd? (map #(do (println "realized " %) %) [2 4 6 7 8 9]))) > realized 2 > realized 4 > realized 6 > realized 7 > realized 8 > realized 9 > 7 > > Jim > > > > On 19/05/13 15:31, Cedric Greevey wrote: > > On Sun, May 19, 2013 at 10:06 AM, Jim - FooBar(); <jimpi...@gmail.com > <javascript:>> wrote: > >> no need to traverse the entire seq with 'filter' if you only want the 1st >> match... >> > > Pretty sure filter is lazy. > > user=> (first (filter odd? (map #(do (println "realized " %) %) (iterate > inc 0)))) > realized 0 > realized 1 > 1 > user=> > > -- > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clo...@googlegroups.com <javascript:> > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+u...@googlegroups.com <javascript:> > 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+u...@googlegroups.com <javascript:>. > For more options, visit https://groups.google.com/groups/opt_out. > > > > > -- 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.
