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From: Marius Vollmer <mvo@zagadka.de>
Cc: guile-user@gnu.org, guile-devel@gnu.org
Subject: Re: overriding car/cdr
Date: Sun, 08 Feb 2004 19:09:10 +0100	[thread overview]
Message-ID: <87znbtbfzt.fsf@zagadka.ping.de> (raw)
In-Reply-To: <m3zncb8m6i.fsf_-_@multivac.cwru.edu> (Paul Jarc's message of "Sun, 25 Jan 2004 21:42:39 -0500")

prj@po.cwru.edu (Paul Jarc) writes:

> Marius Vollmer <mvo@zagadka.de> wrote:
>> Hmm, my immediate reaction is that car/cdr are too low-level for
>> making them overrideable, but map and for-each and other operations
>> that work on whole sequences look like good targets...
>
> Going that route, there will always be one more function that someone
> wants to be converted.

But car/cdr are not a good way to work with general sequences.  Think
of vectors.  We should not try hard to turn car/cdr into something
abstract (which they are not, even their names come from the lowest
level).  Somehthing like the 'sequence' concept of Common Lisp is a
better approach, I'd say.

-- 
GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3  331E FAF8 226A D5D4 E405


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  parent reply	other threads:[~2004-02-08 18:09 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-16  9:41 Worrying development Roland Orre
2004-01-16 11:19 ` Thien-Thi Nguyen
2004-01-16 11:34   ` Roland Orre
2004-01-24 22:44     ` Thien-Thi Nguyen
2004-01-16 11:59 ` tomas
2004-01-18 21:05 ` Marius Vollmer
2004-01-18 21:58   ` Tom Lord
2004-01-22 16:11   ` Dirk Herrmann
2004-01-22 18:26     ` Shared Substrings [was: Worrying development] Robert Uhl
2004-01-22 18:42     ` Worrying development Tom Lord
2004-01-23 11:45       ` Dirk Herrmann
2004-01-23 17:16         ` Tom Lord
2004-01-23 21:01           ` Marius Vollmer
2004-01-23 22:18             ` Tom Lord
2004-01-24  0:27               ` Marius Vollmer
2004-01-24  0:53                 ` Tom Lord
2004-01-23 22:28             ` Paul Jarc
2004-01-24 12:09               ` rm
2004-01-24 13:29                 ` Marius Vollmer
2004-01-26  2:42                   ` overriding car/cdr (was: Worrying development) Paul Jarc
2004-02-08 16:21                     ` overriding car/cdr Dirk Herrmann
2004-02-08 18:09                     ` Marius Vollmer [this message]
2004-02-08 20:56                       ` Paul Jarc
2004-03-20 22:28                         ` Marius Vollmer
2004-03-22 17:05                           ` David Van Horn
2004-03-22 21:03                             ` Marius Vollmer
2004-03-22 17:24                           ` Paul Jarc
2004-01-23 22:37           ` Worrying development Dirk Herrmann
2004-01-23 23:25             ` Tom Lord

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