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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Newsgroups: comp.lang.ada
Subject: Re: Ada to C Question
Date: 13 Apr 2003 06:34:25 -0500
Organization: LJK Software
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 <377ma.165206$OV.246750@rwcrnsc54>
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In article <377ma.165206$OV.246750@rwcrnsc54>, tmoran@acm.org writes:
>>   type MYTYPE_YOURTYPE      is (MyType,                         -- 0
>>                                 YourType);                       -- 1
>>
>>   type YOURTYPE_MYTYPE     is (YourType,                       -- 0
>>                                 MyType);                        -- 1
>   Does the program actually care?  Does the representation or the
> ordering matter?  Could you perhaps change to
>     subtype YOURTYPE_MYTYPE is MYTYPE_YOURTYPE;
> with no effect?

I would not suggest trial-and-error as a method for determining whether
this matters.   You should review all sites where the enumerated values
are used to check for less-than, greater-than, 'first, 'last and similar
order-dependent constructs.