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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).



      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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