From: tpeplt <tpeplt@gmail.com>
To: Stefan Monnier via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>
Subject: Re: Idiomatic way to avoid unused lexical variable in ‘dotimes’ or ‘dolist’?
Date: Tue, 26 Mar 2024 22:02:16 -0400 [thread overview]
Message-ID: <87msqk8maf.fsf@gmail.com> (raw)
In-Reply-To: <jwvplvg1vb7.fsf-monnier+emacs@gnu.org> (Stefan Monnier via Users list for the's message of "Tue, 26 Mar 2024 18:30:00 -0400")
Stefan Monnier via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:
>> 1. Is there an idiom in Emacs Lisp for writing this that
>> eliminates this warning?
>
> (dotimes (_ 100)
> (insert "I will not obey absurd orders\n"))
>
> Or any other var name that starts with an underscore.
>
>
> Stefan
Thank you. I have not been able to find this documented anywhere (that
is, that lexical variables whose names begin with an underscore are not
flagged with a warning message if they are not referenced). This
appears to be true with, for example, ‘let’ expressions, also.
--
next prev parent reply other threads:[~2024-03-27 2:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-26 22:26 Idiomatic way to avoid unused lexical variable in ‘dotimes’ or ‘dolist’? tpeplt
2024-03-26 22:30 ` Stefan Monnier via Users list for the GNU Emacs text editor
2024-03-27 2:02 ` tpeplt [this message]
2024-03-27 3:52 ` Tim Landscheidt
2024-03-27 5:01 ` tpeplt
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