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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: accessing record element (question to the pros)
Date: Fri, 24 Feb 2006 19:04:55 +0000
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Date: 2006-02-24T19:04:55+00:00
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"Jeffrey R. Carter" <spam@spam.com> writes:

> However, in general, you can't do what you seem to be trying to
> do. Variant records do not allow unchecked type conversion; the
> language rules prohibit it. That's what Ada.Unchecked_Conversion is
> for.

GNAT (certainly in recent versions) has pragma Unchecked_Union
(http://gcc.gnu.org/onlinedocs/gcc-4.0.2/gnat_rm/Pragma-Unchecked_005fUnion.html#Pragma-Unchecked_005fUnion).

NB, compiler-specific.