Errors are most likely occurring on a thread different than main. Assuming you're using nrepl, have you looked at the nrepl-error buffer?
On Saturday, December 7, 2013 7:27:35 PM UTC-6, Paul Butcher wrote: > > Consider the following function that adds two numbers exceptionally > inefficiently by creating lots of threads: > > user=> (require '[clojure.core.async :refer [thread <!!]]) > nil > user=> (defn thread-add [x y] > #_=> (thread > #_=> (if (zero? y) > #_=> x > #_=> (let [t (thread-add (inc x) (dec y))] > #_=> (<!! t))))) > #'user/thread-add > > > This works for small numbers: > > user=> (<!! (thread-add 10 10)) > 20 > user=> (<!! (thread-add 10 1000)) > 1010 > > > Unsurprisingly, it fails after a certain point, because the JVM simply > can't create enough threads. But what I find surprising is that it fails > completely silently - no error message, just a nil return: > > user=> (<!! (thread-add 10 2000)) > nil > > > Is this what I should expect? Is there any way to persuade the REPL to > show me errors in this kind of situation? > > -- > paul.butcher->msgCount++ > > Silverstone, Brands Hatch, Donington Park... > Who says I have a one track mind? > > http://www.paulbutcher.com/ > LinkedIn: http://www.linkedin.com/in/paulbutcher > Skype: paulrabutcher > > > > > -- -- 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/groups/opt_out.
