From: "Clément Pit-Claudel" <cpitclaudel@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: cc-mode: Make all parameters introduced in Emacs 26 optional
Date: Mon, 12 Mar 2018 19:29:35 -0400 [thread overview]
Message-ID: <dee5818f-8f36-d858-25fc-2b16b8c9583b@gmail.com> (raw)
In-Reply-To: <jwv7eqg9awk.fsf-monnier+gmane.emacs.devel@gnu.org>
On 2018-03-12 18:40, Stefan Monnier wrote:
>> Is there any way for package to know how many mandatory arguments a
>> function has, to be able to branch out for compatibility reasons?
>
> The way I recommend is:
>
> (condition-case nil
> (call1 ...)
> (wrong-number-of-arguments
> (call2 ...)))
Out of (mostly theoretical) curiosity: is there a way to restrict that condition-case to that specific function call? (rather than catching all incorrect calls in that call tree)
next prev parent reply other threads:[~2018-03-12 23:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-22 8:09 cc-mode: Make all parameters introduced in Emacs 26 optional Jostein Kjønigsen
2018-01-22 20:32 ` Alan Mackenzie
2018-02-03 5:59 ` Matthew Carter
2018-02-03 6:13 ` Matthew Carter
2018-02-03 11:44 ` Alan Mackenzie
2019-03-30 13:51 ` Alan Mackenzie
2019-03-30 16:39 ` Stefan Monnier
2019-03-30 19:42 ` Alan Mackenzie
2019-03-30 20:17 ` Stefan Monnier
2019-03-30 21:53 ` Ergus
2018-03-12 20:16 ` Jostein Kjønigsen
2018-03-12 22:40 ` Stefan Monnier
2018-03-12 23:29 ` Clément Pit-Claudel [this message]
2018-03-13 1:00 ` Stefan Monnier
2018-03-13 20:08 ` Jostein Kjønigsen
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