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Date: 17 Sep 92 22:26:36 GMT
From: aio!sweetpea.jsc.nasa.gov!davenpor@tmc.edu  (Darren Davenport 283-4173)
Subject: Re: Enumerations
Message-ID: <1992Sep17.222636.4782@aio.jsc.nasa.gov>
List-Id: <comp.lang.ada>

In article <9209162110.AA21397@efftoo.boeing.com>, crispen@efftoo.boeing.com (c
rispen) writes:
|> First, the caveat: I *know* that without rep specs all data in Ada is
|> abstract.
|> 
|> But what I'd like to know is, does anyone know of an Ada compiler
|> which does not give a machine value of zero for the first element of
|> an enumeration, one for the second, and so on?
|> 
|> Just idle curiosity, actually, since it came up in the context of a
|> document I'm writing that's going to say, "Use rep specs for interface
|> objects and don't trust different compilers to do the same thing".
|> 
|> Thanks,
|> +-------------------------------+--------------------------------------+
|> | Bob Crispen                   |   The owls are not what they seem    |
|> | crispen@foxy.boeing.com       +--------------------------------------+
|> | (205) 461-3296                |Opinions expressed here are mine alone|
|> +-------------------------------+--------------------------------------+

You do not need to write that in your document because:

"The position number of the value of the first listed enumeration literal is
zero" LRM 3.5.1(4). 

Darren Davenport
McDonnell Douglas Space Systems Company, Houston Tx