.
- function:
-
3d-point-p - predicate function to check if a make-point is 3D. That is, the
point has 3 dimensions, representing a 3-dimensional point.
- usage:
-
3d-point-p point
- description:
-
A predicate function to check if a point is 3-dimensional.
The function may also be accessed by calling the function 3d-point?.
- examples:
-
(3d-point-p (make-point 1 2 3))
--> t
(3d-point-p (make-point 1 2 3 4))
--> nil
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