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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Binding a type to a union.
Date: 1999/11/25
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In article <383b8e49@rsl2.rslnet.net>,
  "Tom Hargraves" <tharg@vtcinet.com> wrote:
> Hi Larry,
> I, like you, failed to find any reference to this pragma in
the Ada LRM. The
> reason is...
>
> It is very well described in the Gnat Reference Manual, as an
> _implementation-defined_ pragma.
> Hence, I presume,  the assertion that it is a Gnat specific
pragma

Well this does not follow. In fact the Unchecked_Union pragma
is one that has been proposed for semi-standardization and which
is implemented by a number of compilers. Any compiler serious
about interfacing to C should be implement at least the basic
functionality of this pragma


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