agent-example.clj

(let [ex-agent (agent {:user_id 1 :user_email "[email protected]"})
                       fn-agent (fn [{id :user_id email :user_email}]
                                  (println "staring super heavy IO task")
                                  (Thread/sleep 10000)
                                  (println "email send to" email))]
                   (println "sending task to agent")
                   (send-off ex-agent fn-agent)
                   (println "end let"))