GNU bug report logs - #69709
`sort` interface improvement and universal ordering predicate

Previous Next

Full log

Message #20 received at 69709 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dmitry <at> gutov.dev>
To: Mattias Engdegård <mattias.engdegard <at> gmail.com>
Cc: 69709 <at> debbugs.gnu.org
Subject: Re: bug#69709: `sort` interface improvement and universal ordering
 predicate
Date: Sun, 10 Mar 2024 18:03:31 +0200

On 10/03/2024 17:56, Mattias Engdegård wrote:
> 10 mars 2024 kl. 16.48 skrev Dmitry Gutov<dmitry <at> gutov.dev>:
> 
>> Here's a concern: a lot of existing code is written with either mutability in mind (the source list is a throwaway one, owned by the caller), or coupled with copy-sequence already.
>>
>> If the new 'sort' default to non-destructive, wouldn't that make those existing callsites slower? Or at least some of them.
> No, with the old calling convention they would get destructive (in-place) sorting. There should be no incompatibilities at all.

I see. That sounds more confusing, though (you drop the 'pred' argument, 
and the function changes behavior, possibly becoming slower too).

Previous Next

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