Why can't structs be derived from?

[Bekenn]

On 3/17/2011 2:36 PM, Andrei Alexandrescu wrote:
>
> I'm with y'all too. Even Walter needs to stop and think for a second.
> We're considering enabling
>
> alias a = b;
>
> as an equivalent for
>
> alias b a;

Please yes.  I'd even be in favor of deprecating the old usage, even 
though every project under the sun (to within experimental error) 
currently uses it.