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From: dewar@merv.cs.nyu.edu (Robert Dewar)
Subject: Re: What's syntax for a case statement?
Date: 1997/06/12
Message-ID: <dewar.866135079@merv>#1/1
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References: <5nk6gu$gbp@prometheus.acsu.buffalo.edu>
 <5nllti$lgb@zdi.informatik.uni-stuttgart.de> <33A0B0BE.30A8@dynamite.com.au>
Organization: New York University
Newsgroups: comp.lang.ada
Date: 1997-06-12T00:00:00+00:00
List-Id: <comp.lang.ada>


Alan said

<<case < name-of-a-descrete variable> is
  when <selection1> => <sequence of statements>;
  when <selection2>  | <selection3> => <sequence of statements>;
  when <selection4>..<selection5> => <sequence of statements>;
 [when others       => <sequence of statements>;
end case;
 >>


This is completely wrong, there is no requirement that the expression after
the case be the name of a discrete variable, it is a general expression.

If you are going to post syntax that can easily be looked up, at least do
it right!

Also, your style of using examples, rather than proper syntax, for the
when phrases is also confusing. It is hard to understand for example
that it is fine to have

when x | y .. z =>