Why can't structs be derived from?

[Andrei Alexandrescu]

On 3/17/11 11:21 AM, Andrej Mitrovic wrote:
> On 3/17/11, Nick Sabalausky<a at a.a>  wrote:
>> I've long been convinced that "alias old new;" should really be "alias new =
>> old;" The current way confuses me, and I *still* have to consciously stop
>> and think about it every time I write an alias statement (including just
>> now).
>>
>
> I thought I was the only one. The `alias symbol this` in structs in
> particular always stops me and I have to think about what it means,
> even though it might be obvious.

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;


Andrei