From: prj@po.cwru.edu (Paul Jarc)
Cc: guile-user@gnu.org, rm@fabula.de, guile-devel@gnu.org
Subject: Re: overriding car/cdr
Date: Mon, 22 Mar 2004 12:24:00 -0500 [thread overview]
Message-ID: <m3lllsaj7d.fsf@multivac.cwru.edu> (raw)
In-Reply-To: <87wu5fnogd.fsf@zagadka.ping.de> (Marius Vollmer's message of "Sat, 20 Mar 2004 23:28:02 +0100")
Marius Vollmer <mvo@zagadka.de> wrote:
> Lists in Scheme and Lisp are not merely sequences, they are able to
> form general trees with all kinds of intentional structure sharing.
> Vectors are not at all like this.
Hmm, good point.
> Some lists are uses as sequences and it would indeed make sense to
> formalize this by introducing an abstract 'sequence' type for this,
> I'd say.
Yes, that might be the best way.
Ideally, I think, programmers shouldn't have to worry about list
vs. vector representation of sequence objects any more than they have
to worry about memory management. We ought to be able to say "give me
an object that supports these operations, and favors these certain
operations for performance", and let the computer figure out what
representation is best.
paul
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next prev parent reply other threads:[~2004-03-22 17:24 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-16 9:41 Worrying development Roland Orre
2004-01-16 11:59 ` tomas
2004-01-18 21:05 ` Marius Vollmer
2004-01-18 21:58 ` Tom Lord
2004-01-22 21:47 ` Tom Lord
2004-01-22 16:11 ` Dirk Herrmann
2004-01-22 18:42 ` 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
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 [this message]
2004-01-23 22:37 ` Worrying development Dirk Herrmann
2004-01-23 23:25 ` Tom Lord
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