From: Philipp Stephani <p.stephani2@gmail.com>
To: Eric Abrahamsen <eric@ericabrahamsen.net>, help-gnu-emacs@gnu.org
Subject: Re: plist-put: destructive?
Date: Sun, 22 Jan 2017 10:08:18 +0000 [thread overview]
Message-ID: <CAArVCkRO-LnYNaijgKzqaMLy-q+=AqJpngCivuLxxCqWq7ZtCQ@mail.gmail.com> (raw)
In-Reply-To: <87tw8rx6he.fsf@ericabrahamsen.net>
Eric Abrahamsen <eric@ericabrahamsen.net> schrieb am So., 22. Jan. 2017 um
01:57 Uhr:
> Drew Adams <drew.adams@oracle.com> writes:
>
> >> Thanks to you both. I'm working with existing plists, so I'll drop
> >> the setqs, that's a relief.
> >
> > Why is it a relief - a relief from what? What if something reset your
> "existing plist" to nil behind your back?
>
> The code I'm working has many repeated clauses looking like:
>
> (when thing1
> (setq the-plist (plist-put the-plist :thing thing1)))
>
> A little more complicated than that, but there will be like seven of
> those in a row. Probably I should just write myself a custom
> bulk-conditional-plist-setter macro, probably using the gv setter, but
> for the time being just being able to remove all the "(setq the-plist"
> makes everything easier to read.
>
You could also write
(cl-callf plist-put the-plist :thing thing1)
next prev parent reply other threads:[~2017-01-22 10:08 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 19:13 plist-put: destructive? Eric Abrahamsen
2017-01-21 3:25 ` Stefan Monnier
2017-01-21 10:25 ` tomas
2017-01-21 16:41 ` Eric Abrahamsen
2017-01-21 17:13 ` Drew Adams
2017-01-22 0:50 ` Eric Abrahamsen
2017-01-22 10:08 ` Philipp Stephani [this message]
2017-01-22 13:10 ` Eric Abrahamsen
2017-01-22 17:30 ` Stefan Monnier
2017-01-23 0:31 ` Eric Abrahamsen
2017-01-23 9:01 ` tomas
2017-01-21 23:03 ` Stefan Monnier
2017-01-22 1:15 ` Eric Abrahamsen
2017-01-21 8:13 ` tomas
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