From: Daniel Colascione <dan.colascione@gmail.com>
To: rms@gnu.org
Cc: emacs-devel@gnu.org
Subject: Re: moving more cl seq/mapping support into core
Date: Fri, 01 Oct 2010 13:34:50 -0700 [thread overview]
Message-ID: <4CA645EA.3050403@gmail.com> (raw)
In-Reply-To: <E1P1e0J-00020s-BS@fencepost.gnu.org>
On 10/1/2010 4:42 AM, Richard Stallman wrote:
> > Those are all rather heavy things by nature, so if the calling
> > sequence is heavy too, that's ok.
> > If I added a `remove-if' function I would like it not to be so heavy
> > to use.
>
> You can use compiler-macros (or an equivalent) to create "fast" calls
> when the keywords involved are known beforehand, as they almost always
> are.
>
> Indeed, one could do that. However, that doesn't mean that it is
> unimportant to choose a good, convenient interface as the one we offer
> and document.
I understood the primary objection to keyword arguments being about
efficiency. Compiler macros solve that problem. If you instead want to
discuss the convenience of keyword arguments --- well, they're hard to
beat. Functions that take a large number of arguments with various
ad-hoc parameter meanings (I'm looking at you, write-region) are a
nightmare to use, and keyword argument would greatly simplify their use
(which is probably why play-sound takes keyword arguments).
next prev parent reply other threads:[~2010-10-01 20:34 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-24 22:48 moving more cl seq/mapping support into core MON KEY
2010-09-25 5:13 ` Leo
2010-09-25 5:58 ` Miles Bader
2010-09-25 14:42 ` Drew Adams
2010-09-25 15:07 ` Leo
2010-09-25 15:23 ` Drew Adams
2010-09-25 15:30 ` Leo
2010-09-25 15:33 ` David Kastrup
2010-09-25 15:55 ` Drew Adams
2010-09-25 15:55 ` Drew Adams
2010-09-25 16:01 ` Leo
2010-10-01 0:33 ` Daniel Colascione
2010-09-25 21:26 ` Miles Bader
2010-09-26 10:37 ` Richard Stallman
2010-09-26 13:13 ` Leo
2010-09-26 19:32 ` Miles Bader
2010-09-27 6:27 ` Richard Stallman
2010-10-01 0:28 ` Daniel Colascione
2010-10-01 3:16 ` Miles Bader
2010-10-01 20:39 ` Daniel Colascione
2010-10-02 7:12 ` David Kastrup
2010-10-03 23:15 ` Stefan Monnier
2010-10-04 17:41 ` Daniel Colascione
2010-10-05 23:32 ` Stefan Monnier
2010-10-01 11:42 ` Richard Stallman
2010-10-01 20:36 ` Daniel Colascione
2010-10-01 11:42 ` Richard Stallman
2010-10-01 20:34 ` Daniel Colascione [this message]
2010-10-01 21:12 ` Chong Yidong
2010-09-27 19:07 ` MON KEY
2010-10-02 5:35 ` MON KEY
2010-10-04 2:03 ` Richard Stallman
2010-10-04 5:51 ` MON KEY
2010-10-06 5:21 ` Richard Stallman
2010-10-09 0:29 ` MON KEY
2010-10-10 5:09 ` Richard Stallman
2010-10-04 17:33 ` Daniel Colascione
2010-10-05 9:55 ` Richard Stallman
2010-10-05 10:20 ` Helmut Eller
2010-10-05 18:27 ` Eli Zaretskii
2010-10-06 23:41 ` Richard Stallman
2010-10-07 15:04 ` Ted Zlatanov
2010-10-07 15:17 ` Karl Fogel
2010-10-09 2:13 ` Richard Stallman
2010-10-05 13:07 ` Ted Zlatanov
2010-10-06 23:41 ` Richard Stallman
2010-10-07 9:20 ` Daniel Colascione
2010-10-08 5:47 ` Richard Stallman
2010-10-05 18:26 ` Eli Zaretskii
2010-10-06 0:29 ` MON KEY
2010-10-08 2:07 ` Christian Ohler
2010-10-08 2:18 ` Miles Bader
2010-10-08 3:15 ` Christian Ohler
2010-10-06 8:04 ` Stephen J. Turnbull
2010-10-06 9:20 ` David Kastrup
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