Timothy It seems that HashMap also clones whole. https://github.com/clojure/clojurescript/blob/master/src/cljs/cljs/core.cljs#L2371
David I see. I guessed that overhead of persistent data structure might be considered. Thanks. 2012/2/16 Timothy Baldridge <tbaldri...@gmail.com>: >>Is this design choice intended for some reason? > > Maybe you should try using a Hashmap? > > https://github.com/clojure/clojurescript/blob/master/src/cljs/cljs/core.cljs#L2322 > > > -- > “One of the main causes of the fall of the Roman Empire was > that–lacking zero–they had no way to indicate successful termination > of their C programs.” > (Robert Firth) > > -- > 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 -- 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