symbol?

function/macrosince v0.0-927 clojure.core/symbol?Edit
(symbol? x)

Source docstring:
Return true if x is a Symbol
Function code @ clojurescript:src/main/cljs/cljs/core.cljs
(defn ^boolean symbol?
  [x]
  (instance? Symbol x))

Macro code @ clojurescript:src/main/clojure/cljs/core.cljc
(core/defmacro symbol? [x]
  (bool-expr `(instance? Symbol ~x)))