3 ms·The AtomicMap Challenge22 points by tobysterrett 15y agoarohner 15y agoHere's a good solution: https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/PersistentHashMap.java https://github.com/clojure/clojure/blob/master/src/jvm/cloju...feydr 15y ago+1 for the troll! subtle until you see who committed the challenge ;)