From: Drew Adams <drew.adams@oracle.com>
To: "Stefan Monnier" <monnier@iro.umontreal.ca>,
"João Távora" <joaotavora@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: RE: Byte-compilation warning in eldoc.el
Date: Fri, 10 Jul 2020 08:05:58 -0700 (PDT) [thread overview]
Message-ID: <1363dbd4-2132-404b-9a4a-1cc6ff625971@default> (raw)
In-Reply-To: <jwv4kqfbfo6.fsf-monnier+emacs@gnu.org>
> > Thanks, fixed. But curiously it doesn't. You can call it (and I
> > always do call it) with one argument, as one does in CL.
>
> Technically, you can call it with one argument.
> But in 99% of the cases it's a really bad idea.
Why? What are those 99% (or what is the 1%)?
What's the (undocumented) behavior of calling it
with no second arg? Isn't it just to use the
value of `obarray' (the standard obarray)?
What's the reason that the 2nd arg isn't called
out as optional, with the doc string saying that
it defaults to the value of variable `obarray'?
What's good about having an optional parameter
that's not advertised as such? What's the real
point here, that calls for this exception?
next prev parent reply other threads:[~2020-07-10 15:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-10 6:53 Byte-compilation warning in eldoc.el Eli Zaretskii
2020-07-10 7:20 ` João Távora
2020-07-10 7:43 ` Eli Zaretskii
2020-07-10 9:36 ` Noam Postavsky
2020-07-10 14:41 ` Stefan Monnier
2020-07-10 15:05 ` Drew Adams [this message]
2020-07-10 15:31 ` João Távora
2020-07-10 21:29 ` Stefan Monnier
2020-07-10 21:48 ` João Távora
2020-07-10 22:08 ` Stefan Monnier
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