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| ANSI Common Lisp 12 Numbers 12.2 Dictionary of Numbers
12.2.58 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)
Allegro CL Implementation Details: None.

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