integerp

integerp Function

Syntax:

integerp object → generalized-boolean

Arguments and Values:

object—an object.

generalized-boolean—a generalized boolean.

Description:

Returns true if object is of type integer; otherwise, returns false.

Examples:

(integerp 1) → true 
(integerp (expt 2 130)) → true 
(integerp 6/5) → false 
(integerp nil) → false 

Notes:

(integerp object) ≡ (typep object ’integer)

Expanded Reference: integerp

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(integerp )