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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Newsgroups: comp.lang.ada
Subject: Re: Refactoring and Ada
Date: 19 Feb 2002 13:39:59 -0600
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In article <u750go7j0d1v7e@corp.supernews.com>, "Matthew Heaney" <mheaney@on2.com> writes:
> 
> "Larry Kilgallen" <Kilgallen@SpamCop.net> wrote in message
> news:DRxVLK5K93Eq@eisner.encompasserve.org...
>> In article <u6qrqp4dlso46f@corp.supernews.com>, "Matthew Heaney"
> <mheaney@on2.com> writes:
>> > I don't recommend you use representation clauses for enumeration types.
> You
>> > should forget this language feature even exists.  Just use integer
> constants
>> > explicitly.
>>
>> Why ?
>>
>> The inability to store an arbitrary numeric value into a location
>> whose type is enumerated is one of Ada's greatest strengths.

> Here's another reason:
> 
> E : aliased ET;
> for E'Size use 8;
> 
> read (fd, E'Address, 1);
> 
> case E is ...;
> 
> What happens when you read junk off the interface?

Doesn't 'Valid detect that ?