From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Rudolf Schlatte <rudi@constantly.at>
Cc: 69739@debbugs.gnu.org
Subject: bug#69739: 30.0.50; `type-of` is not precise enough
Date: Wed, 13 Mar 2024 18:10:09 -0400 [thread overview]
Message-ID: <jwvbk7hlr8j.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <m2zfv3l9gs.fsf@eduroam-193-157-171-82.wlan.uio.no> (Rudolf Schlatte's message of "Tue, 12 Mar 2024 17:07:47 +0100")
>> * Incompatible Changes in Emacs 30.1
>>
>> +** 'type-of' sometimes returns more precise types.
>> +More specifically, for nil and t it returns 'null' and 'boolean'
>> +instead of just 'symbol' and for "subrs", it now returns one of
>> +'special-form', 'subr-primitive', or 'subr-native-elisp'.
>
> Is it true that in all cases, if `(type-of x)' used to return `foo'
> before the change, `(typep x 'foo)' still returns t after the change?
> If so, that might be worth mentioning, since it makes fixing broken code
> easier.
Yes.
But in any case, it seems we'll go with a different patch which leaves
`type-of` unchanged.
Stefan
next prev parent reply other threads:[~2024-03-13 22:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-11 23:19 bug#69739: 30.0.50; `type-of` is not precise enough Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-12 13:37 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-12 14:40 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-12 16:07 ` Rudolf Schlatte
2024-03-13 22:10 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2024-03-12 13:58 ` Eli Zaretskii
2024-03-12 14:43 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-12 15:02 ` Eli Zaretskii
2024-03-12 15:39 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-13 11:55 ` Eli Zaretskii
2024-03-14 16:56 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-15 9:42 ` Andrea Corallo
2024-03-15 10:54 ` Andrea Corallo
2024-03-15 9:51 ` Basil L. Contovounesios
2024-03-15 14:09 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-15 15:18 ` Eli Zaretskii
2024-03-17 22:29 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-18 12:56 ` Eli Zaretskii
2024-03-18 13:33 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-15 11:50 ` Eli Zaretskii
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