GNU bug report logs - #34852
26.1; seq-intersection ignores nil as element

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Package: emacs;

Reported by: "Miguel V. S. Frasson" <mvsfrasson <at> gmail.com>

Date: Thu, 14 Mar 2019 02:24:01 UTC

Severity: normal

Tags: fixed

Found in version 26.1

Fixed in version 27.1

Done: Nicolas Petton <nicolas <at> petton.fr>

Bug is archived. No further changes may be made.

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From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: "Basil L. Contovounesios" <contovob <at> tcd.ie>
Cc: 34852 <at> debbugs.gnu.org, Nicolas Petton <nicolas <at> petton.fr>, Stefan Monnier <monnier <at> IRO.UMontreal.CA>, "Miguel V. S. Frasson" <mvsfrasson <at> gmail.com>
Subject: bug#34852: 26.1; seq-intersection ignores nil as element
Date: Thu, 14 Mar 2019 17:45:30 +0100

"Basil L. Contovounesios" <contovob <at> tcd.ie> writes:

> Besides, returning the element found isn't particularly useful to
> begin with, as the caller already has access to that value.

Depends on the TESTFN.  You could use seq-contains as a replacement for
alist-get, for example, when you make TESTFN look at the sequence's
car's.  This is more or less the same as using :key in cl-member, so
people might be doing this and there is some change that we break
existing code.


Michael.
This bug report was last modified 6 years and 64 days ago.

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