From: Michael Heerdegen <michael_heerdegen@web.de>
To: Nicolas Petton <nicolas@petton.fr>
Cc: "Basil L. Contovounesios" <contovob@tcd.ie>,
"Miguel V. S. Frasson" <mvsfrasson@gmail.com>,
34852@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>
Subject: bug#34852: 26.1; seq-intersection ignores nil as element
Date: Wed, 20 Mar 2019 23:33:18 +0100 [thread overview]
Message-ID: <87r2b1qiq9.fsf@web.de> (raw)
In-Reply-To: <87r2b1nub1.fsf@petton.fr> (Nicolas Petton's message of "Wed, 20 Mar 2019 21:51:30 +0100")
Nicolas Petton <nicolas@petton.fr> writes:
> +(cl-defgeneric seq-contains-p (sequence elt &optional testfn)
> + "Return non-nil if SEQUENCE contains an element equal to ELT.
> +Equality is defined by TESTFN if non-nil or by `equal' if nil."
> + (catch 'seq--break
> + (seq-doseq (e sequence)
> + (when (funcall (or testfn #'equal) e elt)
> + (throw 'seq--break t)))
> + nil))
A detail: could you factor out the result of (or testfn #'equal) so that
`or' is not called repeatedly in the loop?
Michael.
next prev parent reply other threads:[~2019-03-20 22:33 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-14 2:16 bug#34852: 26.1; seq-intersection ignores nil as element Miguel V. S. Frasson
2019-03-14 12:07 ` Michael Heerdegen
2019-03-14 13:09 ` Nicolas Petton
2019-03-14 12:22 ` Basil L. Contovounesios
2019-03-14 12:52 ` Miguel V. S. Frasson
2019-03-14 16:16 ` Basil L. Contovounesios
2019-03-14 13:09 ` Michael Heerdegen
2019-03-14 13:34 ` Stefan Monnier
2019-03-14 16:19 ` Basil L. Contovounesios
2019-03-14 16:45 ` Michael Heerdegen
2019-03-14 17:14 ` Basil L. Contovounesios
2019-03-14 19:08 ` Miguel V. S. Frasson
2019-03-14 21:43 ` Stefan Monnier
2019-03-14 23:08 ` Miguel V. S. Frasson
2019-03-14 23:14 ` Stefan Monnier
2019-03-14 23:21 ` Miguel V. S. Frasson
2019-03-14 23:42 ` Michael Heerdegen
2019-03-15 2:40 ` Stefan Monnier
2019-03-15 12:26 ` Michael Heerdegen
2019-03-15 14:47 ` Stefan Monnier
2019-03-14 23:45 ` Miguel V. S. Frasson
2019-03-14 23:15 ` Michael Heerdegen
2019-03-15 15:56 ` Basil L. Contovounesios
2019-03-15 16:08 ` Miguel V. S. Frasson
2019-03-16 20:33 ` Miguel V. S. Frasson
2019-03-16 20:49 ` Basil L. Contovounesios
2019-03-16 21:32 ` Miguel V. S. Frasson
2019-03-15 15:55 ` Basil L. Contovounesios
2019-03-14 16:17 ` Basil L. Contovounesios
2019-03-14 16:35 ` Michael Heerdegen
2019-03-14 17:02 ` Basil L. Contovounesios
2019-03-14 17:23 ` Basil L. Contovounesios
2019-03-14 16:45 ` Nicolas Petton
2019-03-14 17:08 ` Basil L. Contovounesios
2019-03-18 11:55 ` Nicolas Petton
2019-03-18 19:06 ` Michael Heerdegen
2019-03-18 20:14 ` Nicolas Petton
2019-03-20 20:51 ` Nicolas Petton
2019-03-20 22:33 ` Michael Heerdegen [this message]
2019-03-21 8:02 ` Nicolas Petton
2019-03-21 17:46 ` Basil L. Contovounesios
2019-03-21 20:01 ` Nicolas Petton
2019-03-21 20:16 ` Nicolas Petton
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