From: Denis Bueno <dbueno@gmail.com>
Subject: Re: shorter form of frequently-seen lisp idiom?
Date: Sun, 20 Feb 2005 19:17:34 -0500 [thread overview]
Message-ID: <6dbd4d0005022016172e593ad2@mail.gmail.com> (raw)
In-Reply-To: <6dbd4d00050220160740636f@mail.gmail.com>
You might need to (require 'cl) first.
On Sun, 20 Feb 2005 19:07:11 -0500, Denis Bueno <dbueno@gmail.com> wrote:
> On Sun, 20 Feb 2005 00:55:53 +0100, David Kastrup <dak@gnu.org> wrote:
> > August <fusionfive@comhem.se> writes:
> >
> > > On lör, 2005-02-19 at 19:43 +0100, David Kastrup wrote:
> > >> Joe Corneli <jcorneli@math.utexas.edu> writes:
> > >>
> > >> > Is there a shorter way to concatenate a list of strings
> > >> > than this?
> > >> >
> > >> > (eval (append (list 'concat) list-of-strings))
> > >> >
> > >> > Or more generally,
> > >> >
> > >> > (eval (append (list 'function-that-acts-on-foos) list-of-foos))
>
> Or even:
>
> (reduce #'function-that-acts-on-2-foos list-of-foos)
>
> Like:
>
> (reduce #'concat '("aoeu" "1234" "htns")) =>
> "aoeu1234htns"
>
> --
> Denis Bueno
>
--
Denis Bueno
next prev parent reply other threads:[~2005-02-21 0:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.680.1108839059.32256.help-gnu-emacs@gnu.org>
2005-02-19 18:43 ` shorter form of frequently-seen lisp idiom? David Kastrup
2005-02-19 23:31 ` August
[not found] ` <mailman.714.1108857188.32256.help-gnu-emacs@gnu.org>
2005-02-19 23:55 ` David Kastrup
2005-02-21 0:07 ` Denis Bueno
2005-02-21 0:17 ` Denis Bueno [this message]
[not found] ` <mailman.835.1108945397.32256.help-gnu-emacs@gnu.org>
2005-02-21 0:28 ` David Kastrup
2005-02-22 14:44 ` Stefan Monnier
2005-02-22 18:29 ` rgb
2005-02-22 18:51 ` Thien-Thi Nguyen
2005-02-23 16:29 ` rgb
2005-02-23 18:03 ` Thien-Thi Nguyen
2005-02-22 21:20 ` Oliver Scholz
2005-02-22 22:16 ` Drew Adams
[not found] ` <mailman.1159.1109113137.32256.help-gnu-emacs@gnu.org>
2005-02-23 18:48 ` rgb
2005-02-19 18:33 Joe Corneli
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