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| ANSI Common Lisp 14 Conses 14.2 Dictionary of Conses
14.2.7 atom | Function
  Syntax: atom object generalized-boolean Arguments and Values: object - an object. generalized-boolean - a generalized boolean. Description: Returns true if object is of type atom; otherwise, returns false. Examples:
       (atom 'sss)  true
       (atom (cons 1 2))  false
       (atom nil)  true
       (atom '())  true
       (atom 3)  true
  Notes:
       (atom object) ==(typep object 'atom) ==(not (consp object))
       ==(not (typep object 'cons)) ==(typep object '(not cons))
Allegro CL Implementation Details: None.

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