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From: Michael Heerdegen <michael_heerdegen@web.de>
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Subject: Re: Generic functions: Specializers like `or' or `memq'?
Date: Sun, 07 Nov 2021 02:48:04 +0100
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Stefan Monnier via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

>     (or (eql 4) integer)
> and
>     (or (eql 4) (eql 5))
> and
>     (or (eql 4) (eql "hello"))

That's not a good example for how specializers I wanted to be able to
write would look like, but I see the problem.

Michael.