override(T)

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Thu Sep 24 07:30:48 PDT 2009


Steven Schveighoffer wrote:
> On Thu, 24 Sep 2009 09:30:46 -0400, Andrei Alexandrescu 
> <SeeWebsiteForEmail at erdani.org> wrote:
> 
>> Walter and I discussed last night about contravariance and all and 
>> could not find a compelling argument in favor of implementing 
>> contravariant arguments right now. The feature is nontrivial to 
>> implement, potentially surprising, and has a number of odd corner cases.
> 
> I find the general contravariance not to be that compelling, but for 
> sure being able to implicitly cast delegates makes a lot of sense, since 
> you take the overriding/overloading issues out of the equation.
> 
> -Steve

I agree.

Andrei



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