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From: Duncan Sands <baldrick@free.fr>
Newsgroups: comp.lang.ada
Subject: Re: Return_By_Reference or Return_By_Copy (GNAT bug?)
Date: Sat, 8 Jan 2005 14:06:02 +0100
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Date: 2005-01-08T14:06:02+01:00

Hi Randy,

> > I was playing around with return by reference to see if it is possible to
> > get unserialized access to a protected variable using the Rosen trick (it
> is,
> > see example below, especially the protected object P in package C).  Will
> this
> > be illegal in Ada 2005?
> 
> Yes, it will.

it seems to be legal to have a protected procedure pass out an access to a
protected variable, allowing that variable to be accessed without serialisation.
I somehow expected this to be illegal...  Is there any legitimate use for it?

Thanks,

Duncan.