Hi All,
Allen Bierbaum wrote:
>> wait a second, actually it is used
>>
>> key = (UInt32 (pAttachment->getGroupId()) << 16) | binding;
>>
>> as part of the key used to store attachments.
>>
>>
Ah, yes. I forgot that one.
> So what does groupId mean?
>
It's essentially an equivalence class for Attachments. You can have
different classes that exclude each other from the attachment slots,
i.e. you can only have one instance of each equivalenc class attached to
an AttachmentContainer at any given time (modulo IDs, that is).
The question is: has anybody ever used that? If not I would argue for
removing it in the interest of simplification.
Dirk
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