Some people use vars for seldom changing things. What do you think
about this VS atoms?
For example:
(declare ^:dynamic *server*)
(defn get-possibly-unbound-var [v]
(try (var-get v)
(catch Exception e
nil)))
(defn start-server! []
(if (get-possibly-unbound-var *server*)
(.start *server*)
(def ^:dynamic *server*
(run-jetty #'app {:port 8000 :join? false}))))
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