Magritte validation problem with MABooleanDescription
nick.ager at gmail.com
Mon Oct 11 12:05:10 MEST 2010
On 11 October 2010 10:53, Lukas Renggli <renggli at gmail.com> wrote:
> > (seen includes: anObject)
> > ifTrue: [ ^ self ].
> > anObject isNil
> > ifFalse: [ seen add: anObject ].
> That part just tries to avoid to go into recursion if a described
> object refers to another object that descriptions refer back to the
> original object. That was requested at some point in the past, but I
> never dependent on that myself.
I understood that part but don't understand the intent of:
previous := object. object := anObject.
aBlock ensure: [ object := previous ]
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