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From: Michael Heerdegen <michael_heerdegen@web.de>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: jixiuf <jixiuf@qq.com>, 45619@debbugs.gnu.org
Subject: bug#45619: 28.0.50; pcase-let on MacOS doesn't work
Date: Mon, 04 Jan 2021 20:50:54 +0100	[thread overview]
Message-ID: <8735zg4h29.fsf@web.de> (raw)
In-Reply-To: <jwvft3gtxfb.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Mon, 04 Jan 2021 12:41:26 -0500")

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

> It's messier than that: the issue is that it doesn't bind variables
> which aren't used lexically (this is needed to avoid spurious warnings
> about unused vars when the var is used in on place but not in
> another).

Ok, so this "works":

(pcase-let ((`(,default-directory) '("/tmp/")))
  (ignore default-directory)
  (call-interactively 'find-file))

and also this:

(pcase-let ((default-directory "/tmp/"))
  (call-interactively 'find-file))

I wonder what is messier: the warnings or the semantics resulting from
avoiding the warnings.  I guess people would more often complain about
the warnings...

Michael.





  reply	other threads:[~2021-01-04 19:50 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-03  7:59 bug#45619: 28.0.50; pcase-let on MacOS doesn't work jixiuf
2021-01-04 12:44 ` Michael Heerdegen
2021-01-04 15:41   ` Drew Adams
2021-01-04 17:41   ` Stefan Monnier
2021-01-04 19:50     ` Michael Heerdegen [this message]
2021-01-04 20:37       ` Stefan Monnier
2021-01-04 22:08     ` Michael Heerdegen
2021-01-05  2:06       ` Stefan Monnier
2021-01-07 11:38         ` Michael Heerdegen
2021-01-07 15:19           ` Stefan Monnier
2021-01-08 20:05             ` Michael Heerdegen
2021-01-08 22:13               ` Stefan Monnier
2022-02-12  7:46   ` Lars Ingebrigtsen
2022-02-12 14:56     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-12 16:30       ` Lars Ingebrigtsen
2022-02-12 17:10         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-12 17:21           ` Lars Ingebrigtsen
2022-02-12 22:33             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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