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Subject: Re: Non-philosophical definition of Eiffel?
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Date: Wed, 30 Jul 2003 01:49:25 GMT
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Berend de Boer wrote:
> 3. And let me tell you that a container-of-D is a subclass of
>    container-of-B is very useful in practice. Other languages might
>    say they don't this "type-hole", but if you look at the code
>    they're riddled with typecasts to workaround it. So essentially,
>    it's a nonsen argument if you look at actual code.
> 
> I prefer a language that has a known hole above a language where I
> must use type casts all over the place, any day every day.

Huh? I have no idea what you're talking about. Both C++'s STL
containers and Matthew Heaney's equivalent Charles library in
Ada have typesafe containers which involve no casting, and have
no wrong-way bag-of-apples is a subclass of bag-of-fruit issues.