Apropos

atomFunction

    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))