GNU bug report logs - #30039
26.0.90; [26.1] Making my code warning free is impossible with when-let

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Package: emacs;

Reported by: Damien Cassou <damien <at> cassou.me>

Date: Tue, 9 Jan 2018 07:28:01 UTC

Severity: wishlist

Found in version 26.0.90

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Nicolas Petton <nicolas <at> petton.fr>
To: Eli Zaretskii <eliz <at> gnu.org>, Damien Cassou <damien <at> cassou.me>
Cc: 30039 <at> debbugs.gnu.org, npostavs <at> users.sourceforge.net
Subject: bug#30039: 26.0.90; [26.1] Making my code warning free is impossible with when-let
Date: Wed, 10 Jan 2018 17:24:43 +0100

[Message part 1 (text/plain, inline)]
Eli Zaretskii <eliz <at> gnu.org> writes:

>> That’s a question we need to answer. I think supporting 2 releases would
>> already be good (i.e., 26.1 does not deprecate but 26.2 does).
>
> That's not how we deprecate stuff.  We never wait with deprecation,
> only with the actual removal.

But in this case it leads to an issue with linting: when-let cannot be
used in packages if we want to support both Emacs 25 and 26, since
when-let has been deprecated and when-let* didn't exist in Emacs 25.

Of course the linter could be tweaked in the CI to keep builds green,
but that feels like a hack.

Nico

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This bug report was last modified 7 years and 41 days ago.

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