System programming in D (Was: The God Language)

[Timon Gehr]

On 12/31/2011 03:16 AM, Andrei Alexandrescu wrote:
> On 12/30/11 6:25 PM, Timon Gehr wrote:
>> I'd be happy to extend the system, but currently I don't see it fall
>> short any of the three requirements. Can you help me out?
>
> I think it would be great to reproduce the expansion semantics of ddoc.
>
> Andrei

So basically, just breaking infinite recursion on recursive identical 
instantiations?

In what way does such a feature improve the expressiveness of the macro 
system?