On Thursday, May 19, 2016 at 7:50:57 AM UTC-4, khairul isan wrote: > > Hello all, > > I have problem on handle many lazy sequence, > > (try > (for [x [1 2 3 "b"]] > (for [n [1 2 3 4]] > (+ x n))) > (catch Throwable e > (pr-str e))) > > When i handle but error not in catch. > Any solution ? > > Thanks >
The lazy sequence isn't being realized until after the try block exits. If *both* fors are wrapped in (doall ... ) the exception gets caught, because then the calculations (and the error) happen while still inside of the try body. -- 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.
