user=> (find-var 'map) IllegalArgumentException Symbol must be namespace-qualified clojure.lang.Var.find (Var.java:150) user=> (find-var 'clojure.core/map) #'clojure.core/map user=> (find-var 'clojure.core/qwerty) nil
user=> (find-var 'map) IllegalArgumentException Symbol must be namespace-qualified clojure.lang.Var.find (Var.java:150) user=> (find-var 'clojure.core/map) #'clojure.core/map user=> (find-var 'clojure.core/qwerty) nil