202 obsolete behaviors in 3.8gamma
stéphane ducasse
ducasse at iam.unibe.ch
Sat May 7 14:08:42 UTC 2005
ok I see this is the oneWayBecome: of VW.
>> stéphane> Hi brent
>> stéphane> I'm not sure but in VW it is advised to do
>>
>> stéphane> i become: String new and not i become: nil
>>
>> stéphane> The point explained to me was that else you will have a
>> lot of
>> stéphane> pointer pointing to nil while you would prefer to have them
>> pointing
>> stéphane> on fresh objects that will be garbagecollected.
>>
>> Well, in some VMs, "become:" is a swap, not unidirectional. "become:
>> nil"
>> would be a very very very (...) very bad thing to do.
>
> Yes, that's true in Squeak as well. You want #becomeForward:.
>
> Avi
>
>
More information about the Squeak-dev
mailing list
|