[Newbies] Proper object removal

[Victor Rodriguez]

Rob Rothwell-2 wrote:
> 
> [snip]
>> DataManager>>deleteSelectedAbstractors
>>   self selected copy do: [:each |
>>   self abstractors remove: each.
>>   self selected remove: each.
>> ]
> 
> So...why would I use a copy (self selected copy) in this case?  Is that a
> clue to my misunderstanding?
> 

Because the copy of the collection will live only during the execution of
#do: and thus it won't hang on to references to your objects.

Saludos,

Victor Rodriguez.



> Rob
> 
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