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From: "Ludovic Brenta" <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: Charles container library usage examples
Date: 6 Sep 2005 00:26:31 -0700
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David Trudgett a =E9crit :
> >> 2. Did I need the separate file "corner_list.ads"? I tried to put it
> >>    in "side_corners_map.ads", but the compiler didn't seem to like
> >>    that idea.
> >
> > Yes, you need one because Side_Corner_Maps must be instantiated at
> > "library level".  This prevents dangling references to nested types.
>
> OK ;-) I'll take your word for it... ;-)

Somebody else might elaborate on how Ada 200y is making this rule more
subtle, so that library level instantiations are no longer necessary
in some cases; I'm actually curious to better understand this change.
Anyone?

--=20
Ludovic Brenta.