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Re: [Gcl-devel] list types

From: Paul F. Dietz
Subject: Re: [Gcl-devel] list types
Date: Tue, 28 Jun 2005 09:15:25 -0500
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050511

Pascal Bourguignon wrote:
Camm Maguire writes:

Greetings!  Is there a type specifier which restricts elements of a
list, e.g. '(list symbol)?

Not in Common Lisp.

But in Common Lisp, you can write such a type specifier:
The only difficulty is that SATISFIES expects a symbol and nothing
else. [...]

I think this is one of the places where Common Lisp could
be usefully extended.


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