Unfortunately the printer doesn't detect cycles, so when you type such code at the REPL, you risk an infinite loop when it tries to print the evaluated value. The ugly work-around is to limit the printer's recursion depth to some small arbitrary number, e.g. (set! *print-level* 5).
-Per On Fri, Apr 9, 2010 at 2:22 AM, billm <marshall...@gmail.com> wrote: > Creating a self-loop using (dosync (alter... creates infinite > recursion in the following: > > Given in reference data structure: (def w (ref (struct node \w))) > > where (struct node is: (defstruct node :ch :left :right) > > The following causes infinite recursion? > (dosync (alter w assoc :right w)) > > New to clojure... can you help me understand this behavior? > > -- > 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 > > To unsubscribe, reply using "remove me" as the subject. > -- 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
