Recursive aliases?

[Tobias Pankrath]

On Saturday, 21 April 2012 at 19:46:29 UTC, Mehrdad wrote:
> alias int delegate(out ItemGetter next) ItemGetter;
>
> We currently can't do the above^ in D, but what do people think 
> about allowing it?
> i.e. More specifically, I think an alias expression should be 
> able to refer to the identifier (unless it doesn't make sense, 
> like including a struct inside itself).
> (It would require a look-ahead.)

I've needed exactly this thing once.Or should I say: I needed
this exactly once*?



* Though I don't code very much in D.