From: Eli Zaretskii <eliz@gnu.org>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: emacs-devel@gnu.org
Subject: Re: Arbitrary function: find the number(s) of expected arguments
Date: Sat, 19 Mar 2016 18:24:03 +0200 [thread overview]
Message-ID: <837fgy8mho.fsf@gnu.org> (raw)
In-Reply-To: <87pouqe9yw.fsf@web.de> (message from Michael Heerdegen on Sat, 19 Mar 2016 16:57:59 +0100)
> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Sat, 19 Mar 2016 16:57:59 +0100
>
> So what should `function-arity' return? The actual arity of the
> function? An arity that takes information about some known kinds of
> wrappers into account?
It should returns information about the number of arguments with which
the function can be called right after the call to function-arity.
> No matter how you do it: the result will never give you a clear answer.
I disagree with this conclusion. The fact is that the Emacs Lisp
interpreter does know how to produce a clear answer.
> Even if the user understands what he is doing: if `function-arity' can't
> answer the question whether a certain number of arguments is allowed, it
> is of not much value.
I think it can, and it will be.
next prev parent reply other threads:[~2016-03-19 16:24 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 18:48 Arbitrary function: find the number(s) of expected arguments Paul Pogonyshev
2016-03-15 22:45 ` Davis Herring
2016-03-16 7:41 ` Paul Pogonyshev
2016-03-19 12:26 ` Paul Pogonyshev
2016-03-19 13:10 ` Eli Zaretskii
2016-03-19 13:42 ` Paul Pogonyshev
2016-03-19 13:54 ` Michael Heerdegen
2016-03-19 14:08 ` Eli Zaretskii
2016-03-19 15:20 ` Michael Heerdegen
2016-03-19 15:43 ` Eli Zaretskii
2016-03-19 15:57 ` Michael Heerdegen
2016-03-19 16:24 ` Eli Zaretskii [this message]
2016-03-19 17:43 ` Michael Heerdegen
2016-03-19 17:50 ` Eli Zaretskii
2016-03-19 17:59 ` Michael Heerdegen
2016-03-19 18:14 ` Eli Zaretskii
2016-03-19 16:14 ` Philipp Stephani
2016-03-19 16:27 ` Michael Heerdegen
2016-03-19 16:27 ` Eli Zaretskii
2016-03-19 16:30 ` Philipp Stephani
2016-03-19 16:32 ` Eli Zaretskii
2016-03-19 16:34 ` Philipp Stephani
2016-03-19 16:46 ` Philipp Stephani
2016-03-19 16:47 ` Eli Zaretskii
2016-03-19 17:16 ` Philipp Stephani
2016-03-19 17:48 ` Eli Zaretskii
2016-03-19 17:49 ` Philipp Stephani
2016-03-19 18:11 ` Eli Zaretskii
2016-03-19 18:35 ` Michael Heerdegen
2016-04-18 23:02 ` Davis Herring
2016-03-19 19:52 ` Stefan Monnier
2016-03-19 20:33 ` Eli Zaretskii
2016-03-19 22:43 ` Stefan Monnier
2016-03-26 15:55 ` Elias Mårtenson
2016-03-26 17:20 ` Stefan Monnier
2016-03-19 14:26 ` Philipp Stephani
2016-03-19 16:51 ` Paul Pogonyshev
2016-03-19 18:09 ` Eli Zaretskii
2016-03-19 19:32 ` Michael Heerdegen
2016-03-19 19:39 ` Eli Zaretskii
2016-03-19 20:59 ` Michael Heerdegen
2016-03-21 18:36 ` Paul Pogonyshev
2016-03-25 8:44 ` Eli Zaretskii
2016-03-25 16:16 ` Paul Pogonyshev
2016-03-25 16:35 ` Drew Adams
2016-03-25 17:16 ` Paul Pogonyshev
2016-03-25 18:19 ` Drew Adams
2016-03-25 18:28 ` Clément Pit--Claudel
2016-03-25 18:51 ` Use plain-text for mail [was: Arbitrary function: find the number(s) of expected arguments] Drew Adams
2016-03-25 18:57 ` Use plain-text for mail [ Lars Magne Ingebrigtsen
2016-03-25 19:49 ` Andreas Schwab
2016-03-26 1:12 ` Use plain-text for mail [was: Arbitrary function: find the number(s) of expected arguments] Yuri Khan
2016-03-25 17:39 ` Arbitrary function: find the number(s) of expected arguments Eli Zaretskii
2016-03-25 18:31 ` Drew Adams
2016-03-26 8:27 ` Eli Zaretskii
2016-03-26 11:42 ` Paul Pogonyshev
2016-04-02 9:48 ` Eli Zaretskii
[not found] ` <<83y49e731p.fsf@gnu.org>
2016-03-19 19:21 ` Drew Adams
2016-04-18 18:43 ` Davis Herring
2016-03-16 3:47 ` Stefan Monnier
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