woops, mistake
(defn ns-export [from-ns]
(count (doall (map (fn [[sym var]]
(let [v (if (.hasRoot var)
(var-get var))
var-obj (if v (intern *ns* sym v))]
(when var-obj
(alter-meta! var-obj
(fn [old] (merge (meta var) old)))
var-obj)))
(ns-publics from-ns)))))
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