integerp
integerp object → generalized-boolean
object—an object.
generalized-boolean—a generalized boolean.
6.2.2 12Returns true if object is of type integer; otherwise, returns false.
(integerp 1) → true (integerp (expt 2 130)) → true (integerp 6/5) → false (integerp nil) → false
None.
None.
None.
None.
(integerp object) ≡ (typep object 'integer)