From: John Wiegley <jwiegley@gmail.com>
To: Alan Mackenzie <acm@muc.de>
Cc: 20241@debbugs.gnu.org, Artur Malabarba <bruce.connor.am@gmail.com>
Subject: bug#20241: 25.0.50; `setq' with only one argument
Date: Wed, 25 Nov 2015 13:52:07 -0800 [thread overview]
Message-ID: <m237vt927s.fsf@newartisans.com> (raw)
In-Reply-To: <20151125205851.GJ2007@acm.fritz.box> (Alan Mackenzie's message of "Wed, 25 Nov 2015 20:58:51 +0000")
>>>>> Alan Mackenzie <acm@muc.de> writes:
> How about enhancing the definition of setq to say that with 17
> arguments, NONE of the assignments are done? This should be relatively
> straight forward to code up in the byte compiler, even in the lexical
> binding case.
I prefer atomic operations whenever possible, so I'd rather than the whole
setq would fail. This catches the error earlier, and leaves the environment in
a condition that makes it easier to reproduce that error (it's possible that
some of the variable settings might change the code path such that the setq is
no longer performed).
John
next prev parent reply other threads:[~2015-11-25 21:52 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-01 14:53 bug#20241: 25.0.50; `setq' with only one argument Drew Adams
2015-04-01 16:41 ` Stefan Monnier
[not found] ` <mailman.3138.1427900048.31049.bug-gnu-emacs@gnu.org>
2015-11-23 14:31 ` Alan Mackenzie
2015-11-23 18:44 ` Glenn Morris
2015-11-23 18:54 ` Glenn Morris
2015-11-23 22:05 ` John Wiegley
2015-11-23 19:31 ` Alan Mackenzie
2015-11-24 11:32 ` Alan Mackenzie
2015-11-24 17:38 ` Glenn Morris
2015-11-24 18:04 ` Alan Mackenzie
2015-11-24 19:26 ` Artur Malabarba
2015-11-24 21:09 ` Alan Mackenzie
2015-11-25 1:46 ` John Wiegley
2015-11-25 9:41 ` Alan Mackenzie
2015-11-25 10:36 ` Artur Malabarba
2015-11-25 11:07 ` Alan Mackenzie
2015-11-25 11:13 ` Artur Malabarba
2015-11-25 11:28 ` Alan Mackenzie
2015-11-25 15:18 ` Drew Adams
2015-11-25 15:40 ` Alan Mackenzie
2015-11-25 16:27 ` Drew Adams
2015-11-25 17:22 ` Alan Mackenzie
2015-11-25 18:28 ` Drew Adams
2015-11-25 19:06 ` John Wiegley
2015-11-25 19:21 ` John Mastro
2015-11-25 19:22 ` Drew Adams
2015-11-25 19:34 ` Artur Malabarba
2015-11-25 19:40 ` John Wiegley
2015-11-25 20:20 ` Artur Malabarba
2015-11-25 20:37 ` John Wiegley
2015-11-26 11:07 ` Alan Mackenzie
2015-11-25 20:58 ` Alan Mackenzie
2015-11-25 21:19 ` Drew Adams
2015-11-25 21:52 ` John Wiegley [this message]
2015-11-26 0:21 ` Johan Bockgård
2015-11-26 8:58 ` Andreas Schwab
2015-11-26 12:06 ` Alan Mackenzie
2015-11-26 16:38 ` Artur Malabarba
2015-11-26 21:19 ` Alan Mackenzie
2015-11-27 0:07 ` Artur Malabarba
2015-11-25 13:11 ` Nicolas Richard
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