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Redefining an Assignment Slot?
- To: self-interest@myself.stanford.edu
- Subject: Redefining an Assignment Slot?
- From: rob@moray.berkeley.edu (Rob Reiss)
- Date: Wed, 24 Feb 93 18:14:40 PST
- Resent-date: Wed, 24 Feb 93 18:14:46 PST
- Resent-from: Urs Hoelzle <urs@otis>
- Resent-message-id: <9302250214.AA01221@otis.Stanford.EDU>
- Resent-to: real-self-interest
Hello,
Is there a way to redefine an assignment slot.
For instance is it possible to redefine a point's x: slot to do something
besides just assignment. Lets say I want to notify some object (a display)
when a point changes. Could I do this by changeing x: in the point to first
notify the display then do assignment...
i.e. Do something like point x: = ( display NeedRedraw. <- )
Rob Reiss
University of California, Berkeley
rob@moray.berkeley.edu