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Function NUMBERP

Syntax

  • numberp objectgeneralized-boolean

Arguments and Values

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

Side Effects

None.

Affected By

None.

Exceptional Situations

None.

See Also

None.

Notes

(numberp object) ≡ (typep object 'number)