Dynamic variables

testdynamic.clj

(declare ^:dynamic myvar)

(def myvar nil)
  
(defn mycounter [x]
  (inc x))

(defn testdynvar [x]
    (myvar x))

(defn myfn [x]
  (binding [myvar (memoize mycounter)]
    (testdynvar x)))

;;(load-file "testdynamic.clj"
;;(myfn 3)