GNU bug report logs - #58950
[PATCH] * lisp/subr.el (buffer-match-p): Optimise performance

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Message #43 received at 58950 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattiase <at> acm.org>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: Philip Kaludercic <philipk <at> posteo.net>, 58950 <at> debbugs.gnu.org,
 Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#58950: [PATCH] * lisp/subr.el (buffer-match-p): Optimise
 performance
Date: Fri, 6 Jan 2023 12:17:52 +0100

5 jan. 2023 kl. 13.55 skrev Dmitry Gutov <dgutov <at> yandex.ru>:

> I'm not sure how we'd reach the same goals with plain old Elisp (structured editing in particular -- in Customize).

No enemy of little DSLs in principle but is that structural editing the main rationale now?

(I wish we had (byte-)compiled elisp functions carrying their own source, either as s-exp, string of formatted source text, or source file reference -- that would allow for sensible editing in Customise without performance penalty. But Santa gave me a wool jumper instead, that's nice too.)

Regarding buffer-match-p, the fact that `not` actually means `nor` is a bit odd (we don't do that elsewhere), as well as arbitrary (why not `nand` etc) and undocumented. And like all the rest of the machinery, untested.

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