what is the equivalent of boolean? in Clojure

Question

Scheme supports boolean? to test whether a symbol or value is of boolean type.

(boolean? #\t)
(boolean? #\f)

While in Clojure, I can only found integer?, number?, list?, etc but without boolean?.

What is the equivalent of boolean? in Clojure?

Answer 1

you could do

(defn boolean? [x]
  (instance? Boolean x))