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Newsgroups: comp.lang.ada
Date: Wed, 11 Dec 2019 09:54:24 -0800 (PST)
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Subject: Re: Is this actually possible?
From: Lucretia <laguest9000@googlemail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:57707
Date: 2019-12-11T09:54:24-08:00
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On Wednesday, 11 December 2019 17:38:40 UTC, Dmitry A. Kazakov  wrote:
> On 2019-12-11 17:43, Lucretia wrote:
> 
> > I was thinking about extensible records recently (not tagged types), and thought to try to export a tagged type to C, not C++. It compiles, but the results aren't quite right, so wondering if it's possible or not.
> > 
> > The idea is to export an array of tagged types as a C array to either a function or a variable / struct element. i.e.
> 
> Ada objects of tagged types have varying size and keep tag inside. Both 
> make them utterly incompatible with C.

I know this, but as the compiler let it go through, I wondered if the tag would be stored elsewhere and not with the tagged type. Otherwise, shouldn't the compiler complain?
 
Luke.