From: Michael Heerdegen <michael_heerdegen@web.de>
To: Shigeru Fukaya <shigeru.fukaya@gmail.com>
Cc: 40972@debbugs.gnu.org
Subject: bug#40972: 27.0.91; assoc TESTFN's args reversed?
Date: Thu, 30 Apr 2020 01:30:13 +0200 [thread overview]
Message-ID: <87sgglvpiy.fsf@web.de> (raw)
In-Reply-To: <47D61E6B43780AC31D0B86@gmail.com> (Shigeru Fukaya's message of "Thu, 30 Apr 2020 06:15:09 +0900")
Shigeru Fukaya <shigeru.fukaya@gmail.com> writes:
> It seems to me, for third argument of `assoc', arguments are passed in a
> reverse order.
>
> (assoc "assoc" '(("cl-assoc" A) ("cl-member" B))
> (lambda (x y) (equal (concat "cl-" x) y)))
> ==> nil
>
> (assoc "assoc" '(("cl-assoc" A) ("cl-member" B))
> (lambda (y x) (equal (concat "cl-" x) y)))
> ==> ("cl-assoc" A)
>
> Or, is this intended behavior??
Dunno what others expect, but note that your predicate is not an
equality predicate (it's not symmetric), and the docstring doesn't
specify a behavior for this case.
Michael.
next prev parent reply other threads:[~2020-04-29 23:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 21:15 bug#40972: 27.0.91; assoc TESTFN's args reversed? Shigeru Fukaya
2020-04-29 23:30 ` Michael Heerdegen [this message]
2020-09-09 13:22 ` Stefan Kangas
2020-09-09 14:46 ` Mattias Engdegård
2020-09-09 15:18 ` Stefan Kangas
2020-09-09 15:51 ` Mattias Engdegård
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