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From: Eric Abrahamsen <eric@ericabrahamsen.net>
To: emacs-devel@gnu.org
Subject: Re: Turning Gnus groups into real objects
Date: Fri, 19 Jul 2019 16:56:57 -0700	[thread overview]
Message-ID: <87lfwt60ja.fsf@ericabrahamsen.net> (raw)
In-Reply-To: jwvftn1u1ny.fsf-monnier+emacs@gnu.org

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> (defclass gnus-server ()
>>   ((address :type string)
>>   ...))
>>
>> (defclass gnus-nnimap (gnus-server)
>>   ((capabilities
>>     :type string)
>>    (newlinep
>>     :type boolean)
>>    ...))
>
> Aka
>
>     (cl-defstruct (gnus-server)
>       (address nil :type string))
>
>     (cl-defstruct (gnus-nnimap
>                    (:include gnus-server))
>       (capabilities nil :type string)
>       (newlinep     nil :type boolean))
>
>> (cl-defmethod gnus-request-list ((server gnus-nnimap))

Aw... I was also considering a bit of (tastefully designed) multiple
inheritance.

> BTW, I was wondering whether we could preserve backward compatiblity with
> defvoo and defffoo.  But I guess for `defvoo`, we'd need the equivalent
> of `define-symbol-macro` whereas we currently only have `cl-symbol-macrolet`.

That would be an interesting thing to have for many reasons. But here it
seems like it would mainly be useful to support backends defined outside
of Gnus, in which case we'd also have to cover `nnoo-declare' and
friends, and... yuck.




  reply	other threads:[~2019-07-19 23:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-17 19:29 Turning Gnus groups into real objects Eric Abrahamsen
2019-07-17 21:33 ` Andy Moreton
2019-07-17 22:04   ` Eric Abrahamsen
2019-07-17 21:59 ` Stefan Monnier
2019-07-17 22:08   ` Eric Abrahamsen
2019-07-18 11:59 ` Lars Ingebrigtsen
2019-07-18 18:01   ` Eric Abrahamsen
2019-07-19 12:56     ` Lars Ingebrigtsen
2019-07-19 18:47       ` Eric Abrahamsen
2019-07-19 22:10         ` Stefan Monnier
2019-07-19 23:56           ` Eric Abrahamsen [this message]
2019-07-20 12:52         ` Lars Ingebrigtsen
2019-07-21  1:41           ` Eric Abrahamsen
2019-07-21 12:34             ` Barry Fishman
2019-07-22 17:14               ` Eric Abrahamsen
2019-07-21 13:40             ` Stefan Monnier
2019-07-22 16:38               ` Eric Abrahamsen
2019-07-21 14:02             ` Lars Ingebrigtsen
2019-07-22 16:26               ` Eric Abrahamsen

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