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ANSI Common Lisp  12 Numbers 12.2 Dictionary of Numbers
- Syntax:
-
numberp
object
 generalized-boolean
- Arguments and Values:
-
object - an object.
generalized-boolean - a generalized boolean.
- Description:
-
Returns true if object is of type number; otherwise, returns false.
- Examples:
-
(numberp 12) true
(numberp (expt 2 130)) true
(numberp #c(5/3 7.2)) true
(numberp nil) false
(numberp (cons 1 2)) false
- Notes:
-
(numberp object) ==(typep object 'number)
- Allegro CL Implementation Details:
-
None.
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