From: Marco Antoniotti <marcoxa@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: brubar.cs@gmail.com, Stefan Monnier <monnier@iro.umontreal.ca>,
70597@debbugs.gnu.org
Subject: bug#70597: Problem in pcase-let?
Date: Thu, 2 May 2024 13:06:58 +0200 [thread overview]
Message-ID: <CAKmY7cU0NeQEincr8LvcJctg1+YM5tMcPPPUoUK--QJzhaSWuw@mail.gmail.com> (raw)
In-Reply-To: <865xvwmus2.fsf@gnu.org>
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Hi guys,
it's your call. But please change the doc string to clarify that pcase-let
does not do "symbol equality" pattern matching, but only structural
matching. Adding an example like the following will help.
(pcase-let ((`(foo ,x 23 ,y) '(bar 11 baz 22))) (list x y))
All the best
Marco
On Thu, May 2, 2024 at 11:24 AM Eli Zaretskii <eliz@gnu.org> wrote:
> > Cc: Bruno Barbier <brubar.cs@gmail.com>, 70597@debbugs.gnu.org
> > Date: Sun, 28 Apr 2024 17:08:21 -0400
> > From: Stefan Monnier via "Bug reports for GNU Emacs,
> > the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >
> > > In any case, at a minimum the warning should be issued.
> >
> > I haven't looked at the code for it, so I don't know how easy it is to
> > implement, but let' hope there's an "easy" way to do it.
> >
> > > I did refrain from using pcase-let after all, although it "seemed
> > > right" for my use case. Having said that, I would advocate changing
> > > the semantics.
> >
> > The places that already use it largely rely on the current semantics,
> > so changing it would introduce a lot of breakage.
> > It's not really an option.
>
> So I guess we should close this as wontfix?
>
--
Marco Antoniotti
Somewhere over the Rainbow
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next prev parent reply other threads:[~2024-05-02 11:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-26 18:00 bug#70597: Problem in pcase-let? Marco Antoniotti
2024-04-27 16:11 ` Bruno Barbier
2024-04-27 22:28 ` Marco Antoniotti
2024-04-28 10:01 ` Bruno Barbier
2024-04-28 10:07 ` Ihor Radchenko
2024-04-28 10:18 ` Eli Zaretskii
2024-04-28 15:22 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-28 15:38 ` Marco Antoniotti
2024-04-28 17:05 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-28 18:22 ` Marco Antoniotti
2024-04-28 21:08 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-02 9:23 ` Eli Zaretskii
2024-05-02 11:06 ` Marco Antoniotti [this message]
2024-05-04 11:35 ` Eli Zaretskii
2024-05-04 12:06 ` Marco Antoniotti
2024-05-04 15:05 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-05 8:49 ` Marco Antoniotti
2024-05-04 15:23 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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