From: David Kastrup <dak@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Adding many elements to a list
Date: Tue, 22 Sep 2009 17:18:13 +0200 [thread overview]
Message-ID: <87iqfbrosq.fsf@lola.goethe.zz> (raw)
In-Reply-To: 7cskefp344.fsf@pbourguignon.lefevre.anevia.com
pjb@informatimago.com (Pascal J. Bourguignon) writes:
> David Kastrup <dak@gnu.org> writes:
>> Well, consult its doc string for what it does and doesn't. It's
>> basically the same issue as with setf/setq: the cl version of push
>> does a number of different things depending on a vague concept
>> "location". But you almost never need this sort of flexibility at
>> runtime, and at compile time, it obfuscates what actually happens,
>> including the possible performance impacts.
>
> You should write in assembler (what do I say, in binary!), because you
> almost never need the flexibility that the bare push provide at
> run-time, and at compilation time, it obfuscate what really happens,
> including the possible performance impacts.
What use is winning when nobody wants to play with you anymore?
--
David Kastrup
next prev parent reply other threads:[~2009-09-22 15:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-18 13:15 Adding many elements to a list Nordlöw
2009-09-18 13:44 ` Pascal J. Bourguignon
2009-09-18 14:23 ` David Kastrup
2009-09-18 14:48 ` Pascal J. Bourguignon
2009-09-18 14:54 ` David Kastrup
2009-09-18 15:13 ` Pascal J. Bourguignon
2009-09-19 7:34 ` Andreas Politz
2009-09-22 7:07 ` David Kastrup
2009-09-22 11:53 ` Pascal J. Bourguignon
2009-09-22 12:16 ` David Kastrup
2009-09-22 12:37 ` Pascal J. Bourguignon
2009-09-22 15:18 ` David Kastrup [this message]
2009-09-28 20:03 ` Samuel Wales
2009-09-18 16:24 ` Thierry Volpiatto
2009-09-18 13:52 ` David Kastrup
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