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Re: Using empty_string as the only "" string


From: Andreas Schwab
Subject: Re: Using empty_string as the only "" string
Date: Wed, 25 Apr 2007 00:12:45 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.97 (gnu/linux)

David Kastrup <address@hidden> writes:

> Andreas Schwab <address@hidden> writes:
>
>> In which way is this different from
>>
>>    (eq (cdr '(a)) (cdr '(b))) => t
>
> '(a) is (cons 'a nil), '(b) is (cons 'b nil),
> so indeed the cdr of both lists is the identically same value.  Lists
> are _identically_ grounded.

That does not preclude makeing more objects identical.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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"And now for something completely different."




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