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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 00:35:35 +0200 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.97 (gnu/linux) |
David Kastrup <address@hidden> writes:
> Aren't grounded at all. (concat "a" "b") does not make "b" part of
> the result. So (concat "a" "") and (concat "b" "") would not share
> the same "" even if one replaced both of them by the same object.
>
> Every created string is a separate object not containing any other
> string as a part. The same is not true for lists. You can, for
> example, modify a sublist and in the process change the list
> containing it.
>
> This does not happen for substrings.
Since you can't modify the empty string there is no contradiction.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- Re: Using empty_string as the only "" string, (continued)
- Re: Using empty_string as the only "" string, Juanma Barranquero, 2007/04/24
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/24
- Re: Using empty_string as the only "" string, Juanma Barranquero, 2007/04/24
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/24
- Re: Using empty_string as the only "" string, Juanma Barranquero, 2007/04/24
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/24
- Re: Using empty_string as the only "" string, Juanma Barranquero, 2007/04/24
- Re: Using empty_string as the only "" string, David Kastrup, 2007/04/24
- Re: Using empty_string as the only "" string, Lennart Borgman (gmail), 2007/04/24
- Re: Using empty_string as the only "" string, David Kastrup, 2007/04/24
- Re: Using empty_string as the only "" string,
Andreas Schwab <=
- Re: Using empty_string as the only "" string, Kenichi Handa, 2007/04/24
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/25
- Re: Using empty_string as the only "" string, David Kastrup, 2007/04/25
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/25
- Re: Using empty_string as the only "" string, Lennart Borgman (gmail), 2007/04/24
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/24
- Re: Using empty_string as the only "" string, David Kastrup, 2007/04/24
- Re: Using empty_string as the only "" string, Andreas Schwab, 2007/04/24
- Re: Using empty_string as the only "" string, Miles Bader, 2007/04/24
- Re: Using empty_string as the only "" string, Juanma Barranquero, 2007/04/24