Clojure的引用类型:var,ref,agent和atom
作者:互联网
作为其他值的容器,也都可以解引用。
在deref不会阻塞。
atom
用swap! 修改
;; make an atomic list (def players (atom ())) ;; #'user/players ;; conjoin a keyword into that list (swap! players conj :player1) ;;=> (:player1) ;; conjoin a second keyword into the list (swap! players conj :player2) ;;=> (:player2 :player1) ;; take a look at what is in the list (deref players) ;;=> (:player2 :player1)
swap! 接受函数 和参数,把atom里的作为第1个参数。后面参数不限
标签:list,agent,player2,players,player1,swap,atom,var 来源: https://www.cnblogs.com/xuanmanstein/p/10972875.html