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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: compiler warnings for "unused" method specializers
Date: Fri, 14 Oct 2016 09:07:41 -0400
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>> So maybe it's not worth adding extra compiler code to handle method
>> specializers, but it would be worth allowing multiple _s? I do like the
>> use of _ to say "this variable intentionally and permanently ignored".
> How about supporting CL-style ignore declarations?
> (defun foo (x) (declare (ignore x)) 1)

You can already do

    (defun foo (x) (ignore x) 1)


-- Stefan