From: Vitalie Spinu <spinuvit@gmail.com>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: 20420@debbugs.gnu.org
Subject: bug#20420: 25.0.50; eieio methods with optional arguments now fail
Date: Sat, 25 Apr 2015 20:25:39 +0200 [thread overview]
Message-ID: <87sibonjz0.fsf@gmail.com> (raw)
In-Reply-To: <jwv1tj8e0pl.fsf-monnier+emacsbugs@gnu.org> (Stefan Monnier's message of "Sat, 25 Apr 2015 10:41:40 -0400")
>>> Stefan Monnier on Sat, 25 Apr 2015 10:41:40 -0400 wrote:
> That tells me *how* you used it, not *where*.
I was using it in polymode package for a generic indentation
functionality:
https://github.com/vspinu/polymode/blob/master/polymode-methods.el#L530
>> As we are on this topic how about allowing for implicit dispatch on the
>> arbitrary context? I mean something along the following lines:
> Quoting from cl-generic.el:
> ;; TODO:
> [...]
> ;; - A way to dispatch on the context (e.g. the major-mode, some global
> ;; variable, you name it).
> [...]
> ;;; Just for kicks: dispatch on major-mode
> ;;
> ;; Here's how you'd use it:
> ;; (cl-defmethod foo ((x (major-mode text-mode)) y z) ...)
> ;; And then
> ;; (foo 'major-mode toto titi)
> ;;
> ;; FIXME: Better would be to do that via dispatch on an "implicit argument".
> ;; E.g. (cl-defmethod foo (y z &context (major-mode text-mode)) ...)
Aha. Cool! I will have a look. Is there a more elaborate documentation
somewhere? Particularly I don't see "specializer" and "generalizer"
being properly defined anywhere.
Vitalie
next prev parent reply other threads:[~2015-04-25 18:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 19:28 bug#20420: 25.0.50; eieio methods with optional arguments now fail Vitalie Spinu
2015-04-24 20:42 ` Stefan Monnier
2015-04-24 23:35 ` Vitalie Spinu
2015-04-25 14:41 ` Stefan Monnier
2015-04-25 18:25 ` Vitalie Spinu [this message]
2015-04-26 4:02 ` Stefan Monnier
2015-04-26 12:00 ` Vitalie Spinu
2015-04-27 4:43 ` Stefan Monnier
2015-05-12 4:19 ` Stefan Monnier
2015-05-12 14:23 ` Vitalie Spinu
2016-05-14 23:01 ` Dmitry Gutov
2016-05-15 1:55 ` Stefan Monnier
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