GNU bug report logs - #18837
25.0.50; `sort` -- modify function to preserve original list.

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Package: emacs;

Reported by: Keith David Bershatsky <esq <at> lawlist.com>

Date: Sat, 25 Oct 2014 21:04:01 UTC

Severity: wishlist

Found in version 25.0.50

Done: Stefan Kangas <stefan <at> marxist.se>

Bug is archived. No further changes may be made.

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Message #8 received at 18837 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Keith David Bershatsky <esq <at> lawlist.com>
Cc: 18837 <at> debbugs.gnu.org
Subject: Re: bug#18837: 25.0.50;
 `sort` -- modify function to preserve original list.
Date: Sat, 25 Oct 2014 22:44:45 -0400

> The doc-string for the function `sort` states that `SEQ is modified by
> side effects`; however, it does not state in what way the original
> list gets modified or why such a feature might somehow be useful.

The "usefulness" is to avoid allocating another list in the case where
the unsorted list won't be used later on anyway.


        Stefan
This bug report was last modified 5 years and 255 days ago.

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