From: Juanma Barranquero <lekktu@gmail.com>
To: "Johan Bockgård" <bojohan@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: CL package serious deficiencies
Date: Sat, 11 Feb 2012 23:33:44 +0100 [thread overview]
Message-ID: <CAAeL0SSmbn+UbuhjF2jXBzqthgY22W3mgVakMgfDxofzi5nw9w@mail.gmail.com> (raw)
In-Reply-To: <87ty2xqpf6.fsf@gnu.org>
On Sat, Feb 11, 2012 at 17:56, Johan Bockgård <bojohan@gnu.org> wrote:
> There is no promise about in which order the sequence will be traversed
> (only from which end elements are :count'ed).
You're right. At least, I see no such guarantee in the appropriate 17.3 section.
It is surprising, though, that the promise does exist for COUNT,
COUNT-IF, COUNT-IF-NOT:
"The from-end has no direct effect on the result. However, if from-end
is true, the elements of sequence will be supplied as arguments to the
test, test-not, and key in reverse order, which may change the
side-effects, if any, of those functions."
I mean, :from-end would not be useful for COUNT otherwise, so the
language designers gave it something to do. But the result is that
COUNT and friends are the only sequence functions which guarantee the
order (and so, side effects) of the test and key.
Thanks,
Juanma
next prev parent reply other threads:[~2012-02-11 22:33 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-06 14:18 CL package serious deficiencies egnarts-ms
2012-02-06 21:08 ` Stefan Monnier
2012-02-06 21:53 ` Drew Adams
2012-02-07 3:02 ` Stefan Monnier
2012-02-07 12:04 ` egnarts-ms
2012-02-07 17:36 ` Stefan Monnier
2012-02-08 13:15 ` egnarts-ms
2012-02-08 19:07 ` Stefan Monnier
2012-02-07 12:29 ` egnarts-ms
2012-02-07 18:43 ` Nix
2012-02-07 19:11 ` Lennart Borgman
2012-02-07 19:15 ` Juanma Barranquero
2012-02-07 20:54 ` Lennart Borgman
2012-02-07 21:03 ` John Wiegley
2012-02-07 21:06 ` Nix
2012-02-07 21:08 ` Lennart Borgman
2012-02-07 21:10 ` Nix
2012-02-07 21:12 ` Lennart Borgman
2012-02-07 21:23 ` Nix
2012-02-07 21:29 ` Lennart Borgman
2012-02-07 21:30 ` Nix
2012-02-07 21:32 ` Glenn Morris
2012-02-07 21:34 ` Daniel Colascione
2012-02-07 21:42 ` Tom Tromey
2012-02-08 1:53 ` Leo
2012-02-07 22:16 ` Alan Mackenzie
2012-02-07 22:19 ` Nix
2012-02-08 13:28 ` Richard Stallman
2012-02-08 15:00 ` Tom Tromey
2012-02-09 6:29 ` Richard Stallman
2012-02-09 14:23 ` Eric Schulte
2012-02-10 15:44 ` Richard Stallman
2012-02-10 18:36 ` Tom Tromey
2012-02-10 15:52 ` Tom Tromey
2012-02-10 16:23 ` Drew Adams
2012-02-10 16:42 ` Ted Zlatanov
2012-02-09 6:30 ` Richard Stallman
2012-02-09 13:56 ` Ted Zlatanov
2012-02-10 15:44 ` Richard Stallman
2012-02-10 18:34 ` Tom Tromey
2012-02-10 15:48 ` Tom Tromey
2012-02-10 18:29 ` Stefan Monnier
2012-02-08 2:07 ` Stephen J. Turnbull
2012-02-07 22:41 ` Glenn Morris
2012-02-07 23:10 ` Nix
2012-02-08 13:42 ` Eric Schulte
2012-02-08 13:46 ` Lennart Borgman
2012-02-08 13:51 ` Eric Schulte
2012-02-08 15:29 ` Lennart Borgman
2012-02-08 15:39 ` Eric Schulte
2012-02-08 15:43 ` Lennart Borgman
2012-02-08 14:26 ` Drew Adams
2012-02-08 13:15 ` Teemu Likonen
2012-02-09 7:33 ` spam- or registry-related things in Gnus need cl at run-time? (was: CL package serious deficiencies) Reiner Steib
2012-02-09 16:39 ` spam- or registry-related things in Gnus need cl at run-time? Teemu Likonen
2012-02-07 23:48 ` CL package serious deficiencies Stefan Monnier
2012-02-07 23:52 ` Nix
2012-02-08 0:10 ` Lennart Borgman
2012-02-08 0:15 ` Nix
2012-02-08 1:51 ` Stefan Monnier
2012-02-08 23:43 ` Nix
2012-02-09 21:34 ` Stefan Monnier
2012-02-08 2:13 ` Stephen J. Turnbull
2012-02-08 2:19 ` Lennart Borgman
2012-02-08 4:23 ` Stephen J. Turnbull
2012-02-08 11:00 ` Lennart Borgman
2012-02-08 17:42 ` Richard Stallman
2012-02-08 19:54 ` Stefan Monnier
2012-02-08 0:38 ` Daniel Colascione
2012-02-08 1:32 ` Lennart Borgman
2012-02-08 1:53 ` Stefan Monnier
2012-02-08 2:26 ` Daniel Colascione
2012-02-08 22:28 ` Lars Ingebrigtsen
2012-02-08 22:32 ` Lennart Borgman
2012-02-08 23:35 ` Nix
2012-02-09 19:42 ` Richard Stallman
2012-02-09 19:46 ` Nix
2012-02-10 1:09 ` John Wiegley
2012-02-10 14:38 ` Stefan Monnier
2012-02-10 15:08 ` Juanma Barranquero
2012-02-10 15:35 ` Drew Adams
2012-02-10 18:15 ` Stefan Monnier
2012-02-10 18:21 ` Drew Adams
2012-02-10 15:24 ` Lars Ingebrigtsen
2012-02-10 18:24 ` Stefan Monnier
2012-02-10 18:26 ` Lars Ingebrigtsen
2012-02-10 18:47 ` Johan Bockgård
2012-02-10 17:12 ` Helmut Eller
2012-02-10 18:51 ` Stefan Monnier
2012-02-10 18:55 ` Lars Ingebrigtsen
2012-02-10 19:08 ` Teemu Likonen
2012-02-11 13:25 ` Juanma Barranquero
2012-02-11 16:56 ` Johan Bockgård
2012-02-11 22:33 ` Juanma Barranquero [this message]
2012-02-12 4:41 ` Stefan Monnier
2012-02-12 15:53 ` Teemu Likonen
2012-02-12 16:52 ` Stefan Monnier
2012-02-12 16:55 ` Stefan Monnier
2012-02-10 23:56 ` Helmut Eller
2012-02-12 4:47 ` Stefan Monnier
2012-02-12 17:39 ` Helmut Eller
2012-02-12 18:15 ` Stefan Monnier
2012-02-12 18:58 ` Helmut Eller
2012-02-19 12:52 ` Dimitri Fontaine
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