| Allegro CL version 8.0 Unrevised from 7.0 to 8.0. | ||||||||||
Arguments: position1 position2
Returns position1 after modifying it to be (position-
position1 position2). This is the destructive version of
position-, which returns a
new position object.
The returned position has x value
(- (position-x position1) (position-x position2))
and y value
(- (position-y position1) (position-y position2)).
Copyright (c) 1998-2008, Franz Inc. Oakland, CA., USA. All rights reserved.
Documentation for Allegro CL version 8.0. This page was not revised from the 7.0 page.
Created 2005.12.9.
| Allegro CL version 8.0 Unrevised from 7.0 to 8.0. | ||||||||||