From: Matt Armstrong <matt@rfc20.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Lars Ingebrigtsen <larsi@gnus.org>, 46819@debbugs.gnu.org
Subject: bug#46819: 28.0.50; Undesireable warning: Empty let body from the `benchmark-run' implementation
Date: Mon, 01 Mar 2021 21:07:21 -0800 [thread overview]
Message-ID: <m28s76m9di.fsf@matts-mbp-2016.lan> (raw)
In-Reply-To: <jwvsg5fsbwv.fsf-monnier+emacs@gnu.org>
Stefan Monnier <monnier@iro.umontreal.ca> writes:
>> It might be hard to fix in the general case. Think about this example:
>>
>> (let (...)
>> (some-macro blah))
>>
>> What if that macro expands to nothing,
>
> No can do. A macro call has to expand to exactly one expression (that
> expression can be nil, but it's still one expression).
>
> Stefan
Doh, of course. That'd be a C macro I was thinking of...
next prev parent reply other threads:[~2021-03-02 5:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-27 20:18 bug#46819: 28.0.50; Undesireable warning: Empty let body from the `benchmark-run' implementation Matt Armstrong
2021-02-27 21:00 ` Stefan Monnier
2021-02-28 14:13 ` Lars Ingebrigtsen
2021-03-01 0:04 ` Matt Armstrong
2021-03-01 0:09 ` Lars Ingebrigtsen
2021-03-01 0:19 ` Lars Ingebrigtsen
2021-03-01 5:04 ` Stefan Monnier
2021-03-02 5:07 ` Matt Armstrong [this message]
2021-03-10 4:53 ` Matt Armstrong
2021-03-10 14:54 ` Lars Ingebrigtsen
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