GNU bug report logs - #69108
false-positive warning "variable ‘_’ not left unused" in if-let* and if-let

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Message #26 received at 69108 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 69108 <at> debbugs.gnu.org
Subject: Re: bug#69108: false-positive warning "variable ‘_’ not left unused" in if-let* and if-let
Date: Sat, 17 Feb 2024 22:46:06 +0100

Konstantin Kharlamov <Hi-Angel <at> yandex.ru> writes:

> Just a side note, from my experience pcase is very slow¹, so if a
> function supposed to be called often,

The function I changed is only called when generating the expansions of
`if-let' etc, so this is not really an issue here.

> I presume it's better to avoid `pcase`. Although, Idk how it compares
> to `cond`. But judging from the fact `cond` is implemented in C, it is
> likely faster.

?... pcase also expands to things that are implemented in C, this is a
too simple benchmark.  If you want to discuss this, maybe in a different
thread, as it is not relevant here.

Michael.

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