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Re: overriding car/cdr

From: Marius Vollmer
Subject: Re: overriding car/cdr
Date: Sun, 08 Feb 2004 19:09:10 +0100
User-agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux)

address@hidden (Paul Jarc) writes:

> Marius Vollmer <address@hidden> 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.

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