void?

List of:	Scheme Extensions
Subjects:	Mathematics
Contents:	Scheme Support

Action:

Determines if a Scheme object is void.

Filename:

scm/scheme/scm_typ.cxx

Syntax:

(void? object)

Arg Types:

object

scheme-object

Returns:

boolean

object is an input Scheme object.

Example:

; void?

; Create a solid block.

(define block1

(solid:block (position -20 -20 -20)

(position 0 0 0)))

;; block1

; Determine if the solid block is void.

(void? block1)

;; #f

PDF/SCM/04SC.PDF
HTM/DATA/SCM/SCM/04SC/0191.HTM