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From: Michael Erdmann <michael.erdmann@snafu.de>
Newsgroups: comp.lang.ada
Subject: Re: Usage of Interfaces with Ada 95
Date: Fri, 26 Sep 2003 21:10:17 +0200
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Date: 2003-09-26T21:10:17+02:00
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Hyman Rosen wrote:

> Michael Erdmann wrote:
>> i like to provide a package of elementary interfaces providing some
>> basic concepts on which a application is build, for example a
>> so called Enumeration type
> 
> Using inheritance for iterators is silly and wrong,
> since the base iterator class can't express anything
> about what it iterates over, or what type it returns.

This is the reason why it is abstract and a generic.
> 
> Go see the Charles library for how to do it right.
> 
> DK, this is your cue :-)

The point is that in java i am able to provide an interface
which is called IIterator and use this interface in different 
implementation, but it is the same interface which has to be 
understood by the programmer only once!

Michael