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Re: master 3e5298f: Improve performance of seq-union

From: Robert Pluim
Subject: Re: master 3e5298f: Improve performance of seq-union
Date: Mon, 27 Sep 2021 16:57:16 +0200

>>>>> On Fri, 17 Sep 2021 08:01:59 -0400 (EDT), stefankangas@gmail.com (Stefan 
>>>>> Kangas) said:

    Stefan> branch: master
    Stefan> commit 3e5298fc96c98d2296432d31ee1d3de86a4c466c
    Stefan> Author: Stefan Kangas <stefan@marxist.se>
    Stefan> Commit: Stefan Kangas <stefan@marxist.se>

    Stefan>     Improve performance of seq-union
    Stefan>     * lisp/emacs-lisp/seq.el (seq-union): Improve performance by 
    Stefan>     nreverse instead of seq-reverse.

Utterly idle thought: would packages that tend to generate long lists
and reverse them, such as Gnus, benefit from a builtin-in queue data
type that supported efficient appending?


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