Can you demonstrate a complete minimal example? Thanks, David
On Tue, May 20, 2014 at 4:06 AM, Austin Haas <[email protected]> wrote: > I'm having trouble isolating a small test case. I call the following code > in an update tick: > > (let [prev' @prev > state' @state] > (let [rems (clojure.set/difference prev' state') > adds (clojure.set/difference state' prev')] > (reset! prev state') > (assert (= (count rems) (count (set rems)))))) > > (prev and state hold sets of maps.) > > After running for a few minutes, the assert will fail. The 'rems' and > 'adds' will report that their count is > 1, but when I try to access the > elements there are either none or only one. > > What would cause a set to return an incorrect value for count? > > FWIW, the elements of the sets are maps, and one of the fields holds a > mutable javascript array. That was my first suspicion, but the array isn't > mutated in my code, and I use a memoized function to generate it (to > preserve identity). > > I'm using [org.clojure/clojurescript "0.0-2202"]. > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > [email protected] > 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 [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
