From: David Masterson <dsmasterson@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: help-gnu-emacs@gnu.org
Subject: Re: use-package :after ??
Date: Sun, 14 May 2023 23:16:52 -0700 [thread overview]
Message-ID: <SJ0PR03MB5455F7EAC389977E04DF8B64A2789@SJ0PR03MB5455.namprd03.prod.outlook.com> (raw)
In-Reply-To: <87pm72m8rc.fsf@penguin> (David Masterson's message of "Sun, 14 May 2023 23:03:19 -0700")
David Masterson <dsmasterson@gmail.com> writes:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> From: David Masterson <dsmasterson@gmail.com>
>>> Cc: help-gnu-emacs@gnu.org
>>> Date: Thu, 11 May 2023 23:54:06 -0700
>>>
>>> > In any case, if there's something unclear here, the problem might be
>>> > with the description of :demand, not with :after -- the node "Forcing
>>> > loading" says :demand is overridden by :defer, but says nothing about
>>> > :after.
>>>
>>> Possibly, but the above (made up) example was an attempt to determine if
>>> :after might effect when the loads occur due to a side effect. Perhaps
>>> this side effect might be important in certain cases.
>>>
>>> Oh, that Info node says :demand is overridden by :defer, but docstring
>>> for use-package-always-defer says assume :defer unless :demand is used.
>>
>> Are we still talking about :after? My questions were meant to figure
>> out whether :after's documentation needs some improvements.
>>
>> If everything is clear with :after, and we are talking about :demand
>> and :defer, let's talk about those two. The text you quote is about
>> use-package-always-defer, not about :defer, so how is that a
>> contradiction to whether :defer overrides :demand?
>
> Question: why would anyone include both :defer and :demand in one
> use-package? Syntactically, it's appropriate to answer the question of
> which takes precedence. Semantically, though, most users wouldn't do
> that.
>
> My question goes to the effect of :after in connecting a tree of
> packages that may have been setup with some :demand and some :defer.
> This can occur by direct usage of :demand and :defer *or* by setting
> use-package-always-defer and overriding it with :demand in some
> packages. Example:
>
> (use-package a :defer t :after b)
> (use-package b :demand t :after c)
> (use-package c :defer t)
>
> Does b force the loading of a and/or c because of :after and the mixed
> :demand/:defer? Or is b forced to defer?
>
> The potential (lack of?) side-effects here should be mentioned as it
> might effect on :config for a, b, or c.
Minor addition:
If a, b, and c were all ':defer t' and a had ':bind ("C-." . b-mode)'
and I later hit that key, that would load c, then b, then a -- right?
--
David Masterson
next prev parent reply other threads:[~2023-05-15 6:16 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-08 0:05 use-package :after ?? David Masterson
2023-05-08 2:44 ` Ruijie Yu via Users list for the GNU Emacs text editor
2023-05-08 4:05 ` David Masterson
2023-05-08 4:25 ` Ruijie Yu via Users list for the GNU Emacs text editor
2023-05-08 5:20 ` David Masterson
2023-05-08 12:19 ` Eli Zaretskii
2023-05-10 23:56 ` David Masterson
2023-05-11 3:24 ` David Masterson
2023-05-11 6:14 ` Eli Zaretskii
2023-05-11 21:24 ` David Masterson
2023-05-12 1:18 ` Ruijie Yu via Users list for the GNU Emacs text editor
2023-05-12 6:33 ` Eli Zaretskii
2023-05-12 6:38 ` Emanuel Berg
2023-05-12 5:59 ` Eli Zaretskii
2023-05-12 6:54 ` David Masterson
2023-05-12 7:22 ` Eli Zaretskii
2023-05-15 6:03 ` David Masterson
2023-05-15 11:36 ` Eli Zaretskii
2023-05-15 22:19 ` David Masterson
2023-05-16 16:16 ` Eli Zaretskii
[not found] ` <87pm72m8rc.fsf@penguin>
2023-05-15 6:16 ` David Masterson [this message]
2023-05-15 11:42 ` Eli Zaretskii
2023-05-15 22:27 ` David Masterson
2023-05-16 16:19 ` Eli Zaretskii
2023-05-16 20:44 ` David Masterson
2023-05-17 1:40 ` David Masterson
2023-05-17 11:42 ` Eli Zaretskii
2023-05-17 20:30 ` David Masterson
2023-05-18 10:36 ` Eli Zaretskii
2023-05-18 12:41 ` Lynn Winebarger
2023-05-19 2:40 ` David Masterson
2023-05-19 3:03 ` David Masterson
2023-05-11 5:54 ` Eli Zaretskii
2023-05-11 22:04 ` David Masterson
2023-05-12 6:14 ` Eli Zaretskii
2023-05-12 6:31 ` Emanuel Berg
2023-05-12 6:56 ` David Masterson
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