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From: Victor Porton <porton@narod.ru>
Newsgroups: comp.lang.ada
Subject: Re: Unchecked_Union record inside an other record - trouble
Date: Fri, 08 Aug 2014 22:56:16 +0300
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Date: 2014-08-08T22:56:16+03:00
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Shark8 wrote:

> On 08-Aug-14 10:56, Victor Porton wrote:
>>
>> But it is a hack.
> 
> How are you going to be able to tell which variant the subcomponent is
> though? The C union *doesn't* tag the varying part, so that information
> has to be kept elsewhere... or ignored completely.

For records interfacing with C it SHOULD be ignored completely. Because it 
is C.

>> I propose to change ARM not to require a discriminant in this specific
>> case (Unchecked_Union).
> 
> No.
> Just no.
> What you propose here would import from C weak typing -- if you want
> weak typing, why re you using Ada?

I want weak typing on request, to interface with C, but remaining in Ada.

-- 
Victor Porton - http://portonvictor.org