GNU bug report logs - #41531
27.0.91; Better handle asynchronous eldoc backends

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Message #206 received at 41531 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 41531 <at> debbugs.gnu.org,
 João Távora <joaotavora <at> gmail.com>,
 andreyk.mad <at> gmail.com
Subject: Re: bug#41531: 27.0.91; Better handle asynchronous eldoc backends
Date: Tue, 07 Jul 2020 12:07:52 -0400

> The current discussion, and the current eldoc-async branch adds some more
> design decisions, as well as breaking changes.

I don't see any breaking changes (other than to things which haven't
yet been released IMO).

> As soon as we get futures/promises/aio into the core, that will cease to be
> the case.

Then let's get moving on that.  No need to wait.

> But I fear we wouldn't be able to roll back the related decisions
> so easily, however.

I don't see any reason to fear that.  The more time we spend discussing
what the ideal should look like, the less time we have to actually
get there.

The current eldoc-async branch doesn't get us further from the ideal,
I believe, unless `emacs-28` gets cut before we get our act together.

But if we don't get our act together before `emacs-28` then the
alternative is to have Emacs-28 without support for async eldoc, which
I think is even worse.

I recommend we try and be pragmatic.  Especially since it will make us
all happier (instead of arguing against each other, we get to work on
improving the code).


        Stefan

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