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Re: Smarter M-x that filters on major-mode
From: |
Lars Ingebrigtsen |
Subject: |
Re: Smarter M-x that filters on major-mode |
Date: |
Thu, 11 Feb 2021 18:29:51 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Stefan Monnier <monnier@iro.umontreal.ca> writes:
> How 'bout
>
> (declare (M-x-pred EXP))
>
> which turns into
>
> (define-symbol-prop '[SYM] (lambda () EXP))
>
> so EXP can be (derived-mode-p 'foo-mode) or it can be nil, or ...
I happened onto another possible use here while testing things -- making
commands available after loading some other package. That is, we
currently have stuff like
(defun gnus-summary-thing ()
(interactive)
(require 'thing)
(do-thing-stuff))
which just signals an error if `thing' doesn't exist. Instead we could
do something like:
(defun gnus-summary-thing ()
(interactive)
(declare (M-x-pred (find-library "thing")))
(require 'thing)
(do-thing-stuff))
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- Re: [External] : Re: Smarter M-x that filters on major-mode, (continued)
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/13
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/13
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/13
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/13
- RE: [External] : Re: Smarter M-x that filters on major-mode, Drew Adams, 2021/02/12
- Re: Smarter M-x that filters on major-mode, Stefan Monnier, 2021/02/11
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/11
- Re: Smarter M-x that filters on major-mode,
Lars Ingebrigtsen <=
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/11
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/11
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/11
- Re: Smarter M-x that filters on major-mode, Stefan Monnier, 2021/02/11
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/12
- Re: Smarter M-x that filters on major-mode, Stefan Monnier, 2021/02/12
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/13
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/12
- Re: Smarter M-x that filters on major-mode, Lars Ingebrigtsen, 2021/02/12
- Re: Smarter M-x that filters on major-mode, Robert Pluim, 2021/02/12