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Re: A faster derived-mode-p
From: |
Basil L. Contovounesios |
Subject: |
Re: A faster derived-mode-p |
Date: |
Sun, 14 Feb 2021 22:45:19 +0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Dmitry Gutov <dgutov@yandex.ru> writes:
> On 14.02.2021 22:22, Lars Ingebrigtsen wrote:
>> There are only 11K commands in the Emacs tree, so I don't know whether
>> the current default completion predicate is going to turn out to be
>> problematically slow or not.
>
> I just evaluated
>
> (length (cl-delete-if-not #'commandp obarray))
>
> in a running Emacs session with a bunch of third-party packages installed and
> loaded, and that still evaluated only to 1083.
That's not counting the obarray's buckets. I get ~6x as many results in
my session with (length (all-completions "" obarray #'commandp)).
--
Basil