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Re: JACAL, scm
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From: |
Chris Cramer |
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Subject: |
Re: JACAL, scm |
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Date: |
Tue, 25 Sep 2001 01:39:36 -0500 |
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User-agent: |
Mutt/1.2.5i |
On Mon, Sep 24, 2001 at 10:04:06PM -0700, Tom Lord wrote:
> * A few times we've asked some RnRS authors why '()' and '#f' need to be
> * different. In each case they mumbled something unconvincing about
> * compilation and type checking, then quickly changed the topic.
It's useful for something like assq-ref. You may want to know whether
you stored an empty list, or didn't store anything. An empty list is
still a list.
--
C. Ray C. aka Christopher Cramer
address@hidden
http://www.pyro.net/~crayc/
- Re: JACAL, scm, (continued)
- Re: JACAL, scm, Masao Uebayashi, 2001/09/25
- Re: JACAL, scm, Michael Livshin, 2001/09/25
- Re: JACAL, scm, Miroslav Silovic, 2001/09/26
- #f and '() (was: Re: JACAL, scm), Jorgen 'forcer' Schaefer, 2001/09/25
- Re: #f and '() (was: Re: JACAL, scm), Tom Lord, 2001/09/25
- Re: JACAL, scm, Maciej Stachowiak, 2001/09/25
- Re: JACAL, scm, Tom Lord, 2001/09/25
- Re: JACAL, scm,
Chris Cramer <=
- Re: JACAL, scm, Tom Lord, 2001/09/25
RE: JACAL, scm, Crowder, Brian, 2001/09/25