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Newsgroups: comp.lang.ada
Subject: Re: Generic Package
From: Georg Bauhaus <bauhaus@futureapps.de>
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Date: Mon, 30 Apr 2007 12:36:33 +0200
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Date: 2007-04-30T12:30:51+02:00
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On Mon, 2007-04-30 at 08:58 +0200, Dmitry A. Kazakov wrote:
> On Sun, 29 Apr 2007 23:36:53 +0100, (see below) wrote:
> 
> > On 29/4/07 18:48, in article 1n38bsd8xx0uc$.1eo1arncmwvkn.dlg@40tude.net,
> > "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote:
> > 
> >> What about "polymorphism"? It means exactly the opposite to what its
> >> translation suggests (many-formed/shaped).
> > 
> > You have lost me. It means exactly what it says.
> 
> But there is only one form (~interface) of a polymorphic thing. Substance
> (~implementation) is different. They should probably take "convergent"
> instead.

Using the same interface, you can refer to many differently
shapes objects.

   poly_ref: T'class := Factory.make(read_input);


Who said that *objects* are polymorphic at any one time?