qualified-keyword?

functionsince v1.9.75 clojure.core/qualified-keyword?Edit
(qualified-keyword? x)

Source docstring:
Return true if x is a keyword with a namespace
Source code @ clojurescript:src/main/cljs/cljs/core.cljs
(defn qualified-keyword?
  [x] (boolean (and (keyword? x) (namespace x) true)))