Re: inheritance bug?

Jason Thomas <[email protected]>
Newsgroups gmane.comp.lang.nice.general
Message-ID <[email protected]>
What about doing #2 but allowing an optional override keyword if you
want the compiler to check your spelling?  Thanks for the help!

-Jason

On Tue, 2004-02-17 at 04:46, Daniel Bonniot wrote:
> [email protected] wrote:
> 
> >This was discussed on the mailing list in the covariant return type thread, I
> >believe. When you specify a return type, you are overloading the method. In
> >order to _override_ the method, you need to leave the return type off.
> >  
> >
> Right.
> 
> Once again we can see the confusion this creates. I think it this case 
> it should either:
> 
> 1) signal an error because you are overloading a method in a more 
> specific case. You could then explicitely state that you override it 
> with the 'override' keyword (especially if you want to covariantly 
> specialize the return type) or simply delete the return type.
> 
> 2) silently override the initial method. This is Java's behaviour. So 
> that's more intuitive to Java developers, and ligther syntax (but only 
> when you need to specialize the return type, which is probably rare). On 
> the other hand, it bears the risk of silently not overriding if you make 
> a typo in the method's name, and hides the fact to the reader that you 
> are actually overriding a method.
> 
> Daniel
> 
> 
> 
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-- 
Jason Thomas
The Electric Mind, Ltd.
http://www.theelectricmind.com/



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