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Re: New Working Group Note: Requirements for String Identity Matching and String Indexing

From: Bjoern Hoehrmann <derhoermi@gmx.net>
Date: Wed, 07 Oct 2009 06:08:10 +0200
To: John Cowan <cowan@ccil.org>
Cc: www-international@w3.org
Message-ID: <rp4oc5dutell3n6odlp1l0qfrktg99s3lj@hive.bjoern.hoehrmann.de>
* John Cowan wrote:
>Bjoern Hoehrmann scripsit:
>> Two things are identical if you cannot tell them apart. Two things are
>> merely equivalent in some context if the differences between them are
>> of no concern in that context.
>This distinction is not effective in programming.

It is one of the main characteristics of "programming" that you, as the
programmer, get to decide what distinctions you want to make. I do not
see how this is relevant here. In your example:

>	char *x = "abc";
>	char *y = strdup(x)

You have different "objects"; those objects are not strings, they are on
a higher level. Having different objects but identical strings is not a
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
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Received on Wednesday, 7 October 2009 04:08:37 UTC

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