at other place ,i use (swap! map-1 assoc key value) 在 2014年7月16日星期三UTC+8上午11时20分11秒,Baishampayan Ghose写道: > > Atoms are not coordinated, so you need to use refs here: > > (def map-1 (ref {})) > (def map-2 (ref {})) > > (defn change [key1 key2 ] > (dosync > (alter map-1 dissoc key1) > (alter map-2 dissoc key2))) > > Depending on your problem you might consider using just one ref instead of > two as well (in that case, an atom should be fine). > > ~BG > > > On Wed, Jul 16, 2014 at 8:41 AM, zhenxuanpan <zhenx...@gmail.com > <javascript:>> wrote: > >> (def map-1 (atom {})) >> (def map-2 (atom {})) >> >> (defn change [key1 key2 ] >> (dosync >> (swap! map-1 dissoc key1) >> (swap! map-2 dissoc key2) >> ) >> ) >> >> is this way ok ? >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> 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 clojure+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Baishampayan Ghose > b.ghose at gmail.com >
-- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.