From: Nikolaj Schumacher <me@nschum.de>
To: Thierry Volpiatto <thierry.volpiatto@gmail.com>
Cc: help-gnu-emacs@gnu.org, David Kastrup <dak@gnu.org>
Subject: Re: Adding Lists/Sequences
Date: Wed, 24 Sep 2008 11:28:07 +0200 [thread overview]
Message-ID: <m2r67951w8.fsf@nschum.de> (raw)
In-Reply-To: <877i92qauj.fsf@thievol.homelinux.org> (Thierry Volpiatto's message of "Wed\, 24 Sep 2008 09\:09\:08 +0200")
Thierry Volpiatto <thierry.volpiatto@gmail.com> wrote:
> So can you explain when it is good (if it is) to use these destructive
> functions.
Generally, speed. Non-destructive operations often create or copy a lot
of new cons cells. So in time critical regions of code, when you're
only handling self-created data, and are very careful, that's the
advantage in using them.
regards,
Nikolaj Schumacher
next prev parent reply other threads:[~2008-09-24 9:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-23 11:46 Adding Lists/Sequences Nordlöw
2008-09-23 11:52 ` Joost Kremers
2008-09-23 13:22 ` Nordlöw
2008-09-23 15:06 ` Tassilo Horn
2008-09-23 15:28 ` Thierry Volpiatto
[not found] ` <mailman.19769.1222183171.18990.help-gnu-emacs@gnu.org>
2008-09-23 19:26 ` Pascal J. Bourguignon
2008-09-23 20:48 ` Thierry Volpiatto
2008-09-23 22:11 ` David Kastrup
2008-09-24 7:09 ` Thierry Volpiatto
2008-09-24 9:28 ` Nikolaj Schumacher [this message]
2008-09-24 9:55 ` Thierry Volpiatto
2008-09-24 14:50 ` Drew Adams
2008-09-24 15:31 ` Thierry Volpiatto
2008-09-24 15:28 ` David Kastrup
2008-09-24 18:03 ` Thierry Volpiatto
2008-09-24 15:49 ` Drew Adams
2008-09-24 17:59 ` Thierry Volpiatto
[not found] ` <mailman.19799.1222239593.18990.help-gnu-emacs@gnu.org>
2008-09-25 5:27 ` Tim X
2008-09-25 20:34 ` David Kastrup
2008-09-25 22:16 ` Pascal J. Bourguignon
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