GNU bug report logs - #35238
27.0.50; Clarify eventp behaviour with booleans

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Message #8 received at 35238 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: "Basil L. Contovounesios" <contovob <at> tcd.ie>
Cc: 35238 <at> debbugs.gnu.org
Subject: Re: bug#35238: 27.0.50; Clarify eventp behaviour with booleans
Date: Thu, 11 Apr 2019 19:42:46 -0400

> As mentioned in a past commit[1], nil is not an event.
> Since the car of a mouse click event is considered its type,
> shouldn't (nil) also be rejected as an event?

Not sure it's worth the trouble (there are already lots of other objects
that aren't events but for which eventp returns non-nil).

> Should t be counted as an event?
>
>   (eventp t)    ; => t
>   (eventp '(t)) ; => t

Not sure if we ever generate such an event, but what would be the
benefit of rejecting it?


        Stefan

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