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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Unusual syntax
Date: Thu, 16 May 2002 15:29:23 -0500
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Date: 2002-05-16T15:29:23-05:00
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Steve Caddy wrote in message ...
>I've been programming Ada95 for several years now, and have referred to
>my copies of both Barnes and Skansholm in times of need. All has been
>well... until I started working with a guy who has a copy of Skansholm
>in Swedish.
>
>Interestingly enough, his copy demonstrates the use of a case statement
>with something like this...
>
>when A ! B ! D => do_something;
>
>...as opposed to what I'm familiar with...
>
>when A | B | D => do_something;
>
>I was even more amazed when the first version compiled and functioned
in
>the same way as the second version.
>
>Has anyone come across this before? I've searched the LRM for clues,
but
>I can't find any other reference to this syntax. Please reassure me
that
>I'm not going mad!

That's an obsolecent feature. See J.2 in the RM:
http://www.adaic.org/standards/95lrm/html/rm-j-2.html.

          Randy Brukardt.