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

Previous Next

Full log

Message #56 received at 47712 <at> debbugs.gnu.org (full text, mbox):

From: Daniel Mendler <mail <at> daniel-mendler.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 47712 <at> debbugs.gnu.org
Subject: Re: bug#47712: 27.1; Provide `string-display-width` function, which
 takes properties into account, `substring-width`
Date: Mon, 12 Apr 2021 19:13:53 +0200

On 4/12/21 7:09 PM, Eli Zaretskii wrote:
>> Cc: 47712 <at> debbugs.gnu.org
>> From: Daniel Mendler <mail <at> daniel-mendler.de>
>> Date: Mon, 12 Apr 2021 16:36:05 +0200
>>
>> One may still discuss the implementation of a
>> `substring-width` API which generalizes `string-width`.
>>
>> (defun string-width (s)
>>     (substring-width s 0 (length s)))
>>
>> (defun substring-width (s a b)
>>     (string-width (substring s a b)))
> 
> Why not simply extend string-width to accept 2 optional arguments?

I agree, that is better.

Previous Next

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