Why can't we derive struct's?

[Timon Gehr]

On 20.12.18 17:10, H. S. Teoh wrote:
> 
> IIRC, that PR was blocked because of disagreements over how ambiguous
> symbols over multiple alias this types would be resolved.  Somebody
> needs to come up with a DIP with well-defined semantics for all the
> details and corner cases before this can move forward.

But it's a solved problem. Just make `alias this` exactly like `import`.