How to override opCmp when two different sorts are needed?

[Frits van Bommel]

Deewiant wrote:
> - Almost no D support, as you say. For instance, slices:
> 
> array[x .. x + y]
> array[x..$][0..y]
> array[0..y][x..$]
> (&array[x])[0..y]
> 
> The above forms are equivalent, yet generate very different code. I feel that

The third one is actually equivalent to array[x..y] and not to the other 
three.