From: Alan Mackenzie <acm@muc.de>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: emacs-devel@gnu.org
Subject: Re: An idea: combine-change-calls
Date: Tue, 27 Mar 2018 17:00:08 +0000 [thread overview]
Message-ID: <20180327170008.GC4105@ACM> (raw)
In-Reply-To: <jwvmuyutl0f.fsf-monnier+emacs@gnu.org>
Hello, Stefan.
On Mon, Mar 26, 2018 at 20:36:15 -0400, Stefan Monnier wrote:
> > (defmacro combine-change-calls (beg end &rest form)
> > `(let* ((-beg- ,beg)
> > (-end- ,end)
> > (body (lambda () ,@form))
> Don't use `let*` here since otherwise you have a variable capture if
> `form` uses variables with name -beg- or -end-, or if the expression
> `end` uses a variable named -beg-.
Good point. I will delete that obtrusive asterisk.
> [ and a nitpick: `form` is usually used for a single expression whereas
> here it holds a list of expressions, so I'd call it `forms`. ]
I'll do that, too.
Thanks.
> Stefan
--
Alan Mackenzie (Nuremberg, Germany).
prev parent reply other threads:[~2018-03-27 17:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-24 13:50 An idea: combine-change-calls Alan Mackenzie
2018-03-24 22:18 ` Stefan Monnier
2018-03-25 19:14 ` Alan Mackenzie
2018-03-25 20:05 ` Stefan Monnier
2018-03-26 20:17 ` Alan Mackenzie
2018-03-26 21:07 ` Stefan Monnier
2018-03-27 16:58 ` Alan Mackenzie
2018-03-27 18:30 ` Stefan Monnier
2018-03-27 19:45 ` Alan Mackenzie
2018-03-27 20:24 ` Stefan Monnier
2018-03-28 20:42 ` Alan Mackenzie
2018-03-28 21:26 ` Stefan Monnier
2018-03-29 15:10 ` Alan Mackenzie
2018-03-29 15:40 ` Stefan Monnier
2018-03-29 17:11 ` Alan Mackenzie
2018-03-29 19:10 ` Stefan Monnier
2018-03-30 11:46 ` Alan Mackenzie
2018-03-30 15:05 ` Stefan Monnier
2018-03-31 21:00 ` Alan Mackenzie
2018-03-31 23:38 ` Stefan Monnier
2018-04-01 14:24 ` Alan Mackenzie
2018-04-01 19:22 ` Stefan Monnier
2018-03-30 9:12 ` Johan Bockgård
2018-03-30 13:04 ` Stefan Monnier
2018-04-02 16:25 ` Alan Mackenzie
2018-04-02 17:52 ` Johan Bockgård
2018-04-03 0:41 ` Stefan Monnier
2018-04-03 1:43 ` Clément Pit-Claudel
2018-04-03 3:15 ` Richard Stallman
2018-03-26 21:09 ` Stefan Monnier
2018-03-27 0:36 ` Stefan Monnier
2018-03-27 17:00 ` Alan Mackenzie [this message]
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