[cells-devel] Re: How cells wasted my time

Kenny Tilton ktilton at nyc.rr.com
Mon May 2 13:05:56 UTC 2005


What wasted your time was not asking on cells-devel when you had a 
problem. What wasted my time was taking the trouble to do open-source.

Madhu wrote:

>Helu, Heres some feedback on problems I encountered when learning to
>use cells.
>
>Changing a defmodel form and evaluating it often caused the system to
>stop functioning as expected.
>
>An example of a change is changing an :initform FORM slot to (c-in
>FORM).
>
>An example of how the system stops functioning as expected is: rules
>just dont fire. (echo output just does not happen). Accessors return
>NIL instead of computed values
>
>lisp needs to be killed and restarted to recover. This is a
>showstopper. Is there a quick way to reset the cells system and
>recover?
>

(cell-reset)

>
>Another issue is after reading the doc my expectation was set at
>identical behaviour from using SLOT-VALUE or an accessor. This does
>not happen: For example calling the accessor produces `echo output' ,
>slot-value doesnt.
>  
>
slot-value is now a back door. ie, you are right, the doc is old, 
slot-value no longer triggers cell-ish behavior.

You might do better with McCLIM.

kt





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