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From: Heime via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: Scott Bell <sctb@me.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: pcase with progn
Date: Wed, 27 Nov 2024 20:50:58 +0000	[thread overview]
Message-ID: <IrPUop5ELSG1rPxYCM3H8g39y4PF5cdyeJJMT1WlKJ52_YZLzN6V-rOvAl9UQldVYk55mQm2CG8sZc-8hoK2tZeczy4PJmV8oudLaHybCdg=@protonmail.com> (raw)
In-Reply-To: <m2serc79f6.fsf@me.com>






Sent with Proton Mail secure email.

On Thursday, November 28th, 2024 at 7:39 AM, Scott Bell <sctb@me.com> wrote:

> Heime via Users list for the GNU Emacs text editor
> help-gnu-emacs@gnu.org writes:
> 
> > Does pcase require progn for multiple commands?
> 
> 
> Nope. Each clause is of the form ‘(PATTERN BODY-FORMS...)’, where the
> body forms of the successful clause are evaluated and the final value is
> returned. In this sense it behaves similarly to ‘cond’.

The command should return the string representation of symbol if
it exists.  When the command fails (symbol does not exist), are commands
customarily return nil or an error?



  reply	other threads:[~2024-11-27 20:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-27 18:45 pcase with progn Heime via Users list for the GNU Emacs text editor
2024-11-27 19:39 ` Scott Bell
2024-11-27 20:50   ` Heime via Users list for the GNU Emacs text editor [this message]
2024-11-27 22:33     ` Scott Bell
2024-11-28 14:44 ` Stefan Monnier via Users list for the GNU Emacs text editor

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