Error on recursive alias

[bearophile]

Johan Mollevik:

> What my ultimate goal is is to resurect my opApplyN function 
> allowing
> me to do things like this
>
> uint[4][4] block;
> foreach(x,y,v;opApplyN(block))
> 	printf("%d %d %d\n",x,y,v);

What are x y and v?

Bye,
bearophile