GNU bug report logs - #47712
27.1; Provide `string-display-width` function, which takes properties into account, `substring-width`

Previous Next

Full log

View this message in rfc822 format

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Daniel Mendler <mail <at> daniel-mendler.de>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 47712 <at> debbugs.gnu.org
Subject: bug#47712: 27.1; Provide `string-display-width` function, which takes properties into account, `substring-width`
Date: Tue, 13 Apr 2021 10:01:12 +0200

Daniel Mendler <mail <at> daniel-mendler.de> writes:

> Note that I would like to have an implementation of
> `substring-width`/`string-display-width`/`substring-display-width`
> which does not allocate, since this reduces the GC pressure when
> formatting many items. How do you think about this?
>
> Regarding images, different fonts, maybe a
> `string-property-pixel-width` would be useful too. But for the use
> cases I have in mind (formatting monospaced text) computing columns is
> sufficient.

Sure; I think a non-allocating function to count monospaced string width
would be useful.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.