You cannot use hash to generate unique IDs. Still this is a bug and a JIRA ticket has already been filed - http://dev.clojure.org/jira/browse/CLJS-962
David On Mon, Jan 5, 2015 at 2:30 PM, Feng Xue <[email protected]> wrote: > These days, I was trying to utilize function hash in clojure/clojurescript to > generate unique id, but it turns out this function has very strange behaviour > to empty vector parsed from read-string in cljs with in clj. > > In clojure, hash function return -2017569654 for empty vector and the one > parsed from read-string > > user=> (hash []) > -2017569654 > user=> (hash (read-string "[]")) > -2017569654 > > However, in cljs, (hash []) returns surprisingly 0. And [] are also equal to > (read-string "[]"). > > cljs.user=> (hash (cljs.reader/read-string "[]")) > -2017569654 > > cljs.user=> (hash []) > 0 > > cljs.user=> (= [] (cljs.reader/read-string "[]")) > true > > Does any one know the reason of it and how to solve it in cljs? > > -- > Note that posts from new members are moderated - please be patient with your > first post. > --- > You received this message because you are subscribed to the Google Groups > "ClojureScript" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/clojurescript. -- Note that posts from new members are moderated - please be patient with your first post. --- You received this message because you are subscribed to the Google Groups "ClojureScript" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/clojurescript.
