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From: Christoph Grein <christoph.grein@eurocopter.com>
Newsgroups: comp.lang.ada
Subject: Re: Refactoring and Ada
Date: Tue, 5 Feb 2002 07:15:51 +0100 (MET)
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Date: 2002-02-05T07:15:51+01:00

> > By the way, I talked to a never-ever-use-use user of Ada
> > the other day who was appalled to discover that even if
> > you don't use USE clauses, you can have a case where you
> > write
> > 
> >        a := f (x);
> > 
> > where there were no other occurrences of f in the same
> > source file, no USE clauses, and the textual declaration
> > of f was in another unit [call it p].
> 
> You mean if x has a type which is derived from another one in a different
> package. So f is an inherited function. Right ? Or is there another case ?

Of course there are other cases (child packages), but there qualifying p.f would 
be legal. With inheritance, p.f is illegal as Robert said.