(ns clojure.examples.example
   (:gen-class))
(defn example []
   (def myatom (atom 1))
   (println @myatom)

   (compare-and-set! myatom 0 3)
   (println @myatom)

   (compare-and-set! myatom 1 3)
   (println @myatom))
(example)