From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: alist-get in Emacs 24?
Date: Thu, 08 Oct 2015 10:21:36 +0200 [thread overview]
Message-ID: <87egh5g48f.fsf@web.de> (raw)
In-Reply-To: 87k2qyij75.fsf@mbork.pl
Marcin Borkowski <mbork@mbork.pl> writes:
> OK, so I did it by hand (though without delq or push). I am not
> extremely happy with my solution, though, since in the setter function
> I have to pass the alist variable name as a symbol. (This is needed
> because I might want to use it to introduce a new key-value pair into
> the list.) Does anyone have any suggestion for enhancing my solution?
First let me say, doing it like that is not bad in any regard.
Second, yes, you could modify the list structure, but this can't be done
if the alist is empty, because the empty (a)list is not a cons. At least
in this case, your setter would still have to receive a symbol.
Michael.
next prev parent reply other threads:[~2015-10-08 8:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-02 6:32 alist-get in Emacs 24? Marcin Borkowski
2015-10-02 6:39 ` Dmitry Gutov
2015-10-02 6:54 ` Marcin Borkowski
2015-10-02 7:34 ` Michael Heerdegen
2015-10-02 8:49 ` Marcin Borkowski
2015-10-03 3:05 ` Michael Heerdegen
2015-10-02 13:37 ` Stefan Monnier
2015-10-07 19:15 ` Marcin Borkowski
2015-10-07 20:45 ` Drew Adams
2015-10-08 8:21 ` Michael Heerdegen [this message]
2015-10-08 15:53 ` Drew Adams
2015-10-08 16:14 ` Michael Heerdegen
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