[Pharo-project] Big problem with the implementation of traits

Adrian Lienhard adi at netstyle.ch
Thu Jan 15 10:47:25 EST 2009


On Jan 15, 2009, at 15:43 , Damien Cassou wrote:

> On Thu, Jan 15, 2009 at 3:13 PM, Adrian Lienhard <adi at netstyle.ch>  
> wrote:
>> The hash of traits is not related to the problem. The problem is that
>> classes show up multiple times in IdentitySets.
>>
>> I found the cause (its a bit complicated to explain because related  
>> to
>> the ClassBuilder and become:). I can fix that during the weekend...
>
> I've implemented a TraitBehavior>>nsUsers method which does
>
> nsUsers
>  ^ self users asOrderedCollection asSet
>
> to work around the problem for the article. Can you confirm that this
> is a valid workaround?

No. This will remove the duplicates, but in case traits are removed  
from classes you can still get wrong results if this happens for a  
class with a users set that is inconsistent.

Adrian




More information about the Pharo-dev mailing list