store/[org.clojure/clojure "1.8.0"] clj::clojure.core/integer?

Official Documentation

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Arities
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   [n]

Docstring
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  Returns true if n is an integer

Source

(defn integer?
  "Returns true if n is an integer"
  {:added "1.0"
   :static true}
  [n]
  (or (instance? Integer n)
      (instance? Long n)
      (instance? clojure.lang.BigInt n)
      (instance? BigInteger n)
      (instance? Short n)
      (instance? Byte n)))

Example 1

Edit
(integer? 1)
;; => true

(integer? 1.0)
;; => false

Uses on crossclj