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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Distinguishing `consp` and `functionp`
Date: Mon, 29 Jan 2024 17:46:11 +0200
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To: Stefan Monnier <monnier@iro.umontreal.ca>
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In-Reply-To: <jwv4jewf933.fsf-monnier+emacs@gnu.org> (message from Stefan
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: emacs-devel@gnu.org
> Date: Mon, 29 Jan 2024 10:41:37 -0500
> 
> > And the reason(s) you are "annoyed at the use of lists to represent
> > function values" are?...  IOW, what will we gain by using your changes
> > in this matter?
> 
> Beside taste and philosophical differences, the main motivation is to
> make `consp` and `functionp` mutually exclusive so as to eliminate the
> risk that a list be considered mistakenly as a function or vice versa.

Is that a serious risk?  In what situations could that happen?