On Sat, Jan 3, 2009 at 1:30 PM, Jason <jawo...@berkeley.edu> wrote: > Thanks for your posts. I think I understand what happens now, but I > still maintain that it's a bug. In particular, the Java API says: "If > two objects are equal according to the equals(Object) method, then > calling the hashCode method on each of the two objects must produce > the same integer result." This contract is clearly violated by > the .hashCode and .equals methods for Clojure vectors and lists: > > user> (.equals [1 2] '(1 2)) > true > user> (list (.hashCode [1 2]) (.hashCode '(1 2))) > (994 -1919631597) > > Cheers, Jason > > > I agree. This does not seem right:
user> (= [1 2] '(1 2)) true user> (map #(contains? (hash-set [1 2]) %) '((1 2) [1 2])) (false true) --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---