On Apr 26, 10:52 pm, Jonathan Fischer Friberg <odysso...@gmail.com> wrote: > No, that isn't possible.http://clojure.org/refs
I disagree: In the example given, dereferencing happens outside the dosync block, thus outside of any transaction, so a race where map1 and map2 change midway through the #'and expression is theoretically possible. For this reason, #'deref/@ and #'alter are best kept in the same transaction in this situation. > Inside a transaction (a dosync call), values updated in another transaction > wont be seen. This means that the first transaction wont see the change > until it commits, at that moment it realizes that the ref that were altered > was changed outside of that particular transaction, and retries. All of this > happens automatically, so you wont have to worry. -- 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
