From: Alexandre Oliva (oliva@dcc.unicamp.br)
Date: Wed Jan 27 1999 - 12:12:22 EST
On Jan 27, 1999, Godmar Back <gback@cs.utah.edu> wrote:
>>
>> > Implementations of the interface will look like this:
>>
>> > struct _CollectorImpl {
>> > Collector collector; // pointer to shared vtable
>> > gcList gclists[5];
>>
>> I still don't see the point of adding an extra level of indirection
>> (although only at source code level). It seems a mere inconvenience
>> to me.
>>
> Look at this picture to better understand what's going on:
Ok, I understand what's going on, but I still don't buy the need for
the additional struction. We'd be able to accomplish exactly the same
with an explicit pointer to the vtable within _CollectorImpl, wouldn't
we?
-- Alexandre Oliva http://www.dcc.unicamp.br/~oliva aoliva@{acm.org} oliva@{dcc.unicamp.br,gnu.org,egcs.cygnus.com,samba.org} Universidade Estadual de Campinas, SP, Brasil
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