From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] master 55cdebc: Make Tramp compatible to recent progress-reporter-update
Date: Sat, 15 Jun 2019 12:28:48 -0400 [thread overview]
Message-ID: <jwvo92ystk2.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87ef3v3wdv.fsf@gmx.de> (Michael Albinus's message of "Sat, 15 Jun 2019 13:45:16 +0200")
>>> + (if (equal (tramp-compat-funcall 'func-arity #'progress-reporter-update)
>>> + '(1 . 3))
>> This gives the wrong result if progress-reporter-update is advised
>> (e.g. for `debug-on-entry`, or `trace-function`, or ...)
> Do you know a better test?
None is perfect. Other than looking at the Emacs version number, you
can also do
(condition-case (progress-reporter-update ...)
(wrong-number-of-arguments (progress-reporter-update ...)))
I find this latter one less troublesome in practice than testing arity,
Stefan
prev parent reply other threads:[~2019-06-15 16:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190615093820.29808.75496@vcs0.savannah.gnu.org>
[not found] ` <20190615093822.02DC9209BF@vcs0.savannah.gnu.org>
2019-06-15 10:47 ` [Emacs-diffs] master 55cdebc: Make Tramp compatible to recent progress-reporter-update Stefan Monnier
2019-06-15 11:45 ` Michael Albinus
2019-06-15 16:28 ` Stefan Monnier [this message]
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