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From: Andy Wingo <wingo@pobox.com>
To: ludo@gnu.org (Ludovic Courtès)
Cc: guile-devel@gnu.org
Subject: Re: goops proposal: proper struct classes
Date: Thu, 05 May 2011 22:39:06 +0200	[thread overview]
Message-ID: <m34o58x4ph.fsf@unquote.localdomain> (raw)
In-Reply-To: <8739ksnbnf.fsf@gnu.org> ("Ludovic Courtès"'s message of "Thu, 05 May 2011 22:19:16 +0200")

On Thu 05 May 2011 22:19, ludo@gnu.org (Ludovic Courtès) writes:

>> Vtables *are* classes, on a fundamental level.  Bare vtables are not as
>> nice as <class>, but they do describe instances.  SCM_CLASS_OF() is
>> SCM_STRUCT_VTABLE().
>
> OK, it would be more elegant.
>
> Can it be achieved without GOOPsifying too much the rest of Guile?
> I mean, creating and accessing raw structs should remain as lightweight as
> currently, so that syntactic-only records à la SRFI-9 can be
> implemented.  GOOPS objects are currently heavyweight compared to raw
> structs.

Yes, I think it can.  Actually the motivation was to remove the call to
scm_i_define_class_for_vtable from structs, which will allow proper
layering of goops and structs.  (You are right to be concerned, I think;
GOOPS is pretty neat to have, and appropriate to some domains, but has
fundamental problems with modularity.)

Cheers,

Andy
-- 
http://wingolog.org/



  reply	other threads:[~2011-05-05 20:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-01 20:19 goops proposal: proper struct classes Andy Wingo
2011-05-05 16:35 ` Ludovic Courtès
2011-05-05 18:25   ` Andy Wingo
2011-05-05 20:19     ` Ludovic Courtès
2011-05-05 20:39       ` Andy Wingo [this message]
2011-11-22 22:23 ` Andy Wingo

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