From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: design ponderings: plist to alist
Date: Wed, 16 Apr 2014 13:20:37 -0400 [thread overview]
Message-ID: <jwvppkhxkfn.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: 871twx3815.fsf@kuiper.lan.informatimago.com
> Actually, an a-list contains the same number of cons cells and requires
> the same number of accesses as a p-list. I wouldn't say it's more
> succinct to computer than p-list.
It's half the depth, tho, so you get twice as much "memory
parallelism". And you avoid "parsing" the plist. This means you can
use regular list operations like mapcar, delq, ...
Stefan
next prev parent reply other threads:[~2014-04-16 17:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-16 5:48 design ponderings: plist to alist Thien-Thi Nguyen
2014-04-16 8:16 ` Thorsten Jolitz
2014-04-16 8:35 ` Thien-Thi Nguyen
2014-04-16 10:04 ` Pascal J. Bourguignon
2014-04-16 17:20 ` Stefan Monnier [this message]
2014-04-16 17:29 ` Stefan Monnier
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