[Newbies] Remove old instances of a Class

[Rob Rothwell]

How can I remove old instances of class that have been created while playing
around in a Workspace?

I am developing some code that needs to go through and deal with
allInstances of itself, and I just seem to have old versions hanging around
that don't seem to be getting garbageCollected.  Furthermore, I am expecting
certain types of objects in some of their instance variables, and as I have
changed my code, these objects have changed--but not in these "obsolete"
objects, so I have had to manually go into those instances and "fix them up"
so that my allInstancesDo loop would work!

I have tried closing the Workspace, followed by Smalltalk
garbageCollectMost, but to no effect.

Thanks,

Rob
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