[Glass] Weird problem with class instance variable

Mariano Martinez Peck via Glass glass at lists.gemtalksystems.com
Tue Aug 25 13:03:08 PDT 2015

Hi guys,

I define a classInstVars: called 'Instances' to keep track of new
persistent instances in my class FaBackgroundProcess. Of course, I
implement #new to add those there.

But I am having a very strange issue now. I have this accessor:

FaBackgroundProccess class >> instances
^ Instances ifNil: [ Instances := OrderedCollection new ]
If I execute:

FaBackgroundProcess instances ->>>>>  anOrderedCollection( )

I get an empty collection (which is what I expect). However, if I inspect
the class FaBackgroundProcess and see the slot for 'Instances' I see lots
of instances of FaBackgroundProcess! (when I expect to see same as the
answer of #instances, that is, empty) And those instances are really alive
as they prevent GC of other objects.

So...what is going on????  I attach an screenshot with all the pieces. Any
help is really welcome since I am lost.

Thanks in advance,

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