From: Philipp Stephani <p.stephani2@gmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: Saving match data
Date: Sat, 17 Jun 2017 14:02:26 +0000 [thread overview]
Message-ID: <CAArVCkQcS-Y4UnPMad+F9mJ85OdK0CmstNNMKMpTN9t2DqpUJw@mail.gmail.com> (raw)
In-Reply-To: <jwv8tkqpvr9.fsf-monnier+emacs@gnu.org>
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Stefan Monnier <monnier@iro.umontreal.ca> schrieb am Sa., 17. Juni 2017 um
15:53 Uhr:
> > + (when (or (function-get function 'pure)
> > + (function-get function 'side-effect-free))
> > + (insert "\nThis function does not change the match
> data."))
>
> Wouldn't it be more useful to say it doesn't have side-effects (which
> would obviously imply it doesn't change the match-data, along with all
> other global state)?
>
>
I'd prefer to mention the match data explicitly, because users might not be
aware that they are part of the global state. Maybe something like "This
function does not (access|change) global state, including the match data"
(where "access" can be used for the pure ones).
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next prev parent reply other threads:[~2017-06-17 14:02 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-28 14:01 Saving match data Philipp Stephani
2016-09-28 15:03 ` Eli Zaretskii
2016-09-28 16:11 ` Stefan Monnier
2016-09-28 16:49 ` Michael Heerdegen
2016-09-28 18:25 ` Stefan Monnier
2016-09-28 18:37 ` Michael Heerdegen
2016-09-28 20:00 ` Eli Zaretskii
2016-09-28 20:15 ` Michael Heerdegen
2016-09-28 20:22 ` Eli Zaretskii
2016-09-28 20:42 ` Michael Heerdegen
2016-09-28 20:58 ` Lars Ingebrigtsen
2016-09-29 2:36 ` Eli Zaretskii
2016-10-08 4:02 ` Michael Heerdegen
2016-10-08 6:25 ` Eli Zaretskii
2016-10-08 15:06 ` Stefan Monnier
2017-06-16 19:24 ` Philipp Stephani
2017-06-16 19:53 ` Stefan Monnier
2017-06-16 22:16 ` Philipp Stephani
2017-06-17 13:53 ` Stefan Monnier
2017-06-17 14:02 ` Philipp Stephani [this message]
2017-10-08 15:56 ` Philipp Stephani
2017-10-08 16:01 ` Philipp Stephani
2016-09-28 17:00 ` Marcin Borkowski
2016-09-29 9:29 ` Uwe Brauer
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