Change representation of dynamic arrays?

[Oskar Linde]

BCS wrote:

> if the return of .length is left unrestricted, then you can play games 
> with having it return a proxy type that another opIndex then uses.

Yes, it doesn't have to be more complicated than so. That would handle 
the multidimensional case as well. Possibly let $ -> opDollar() instead 
of length(). Then, all we need is to make a..b turn into a special range 
type and depreciate opSlice.

The remaining problem would be that while .length always explicitly 
refers to an object. $ only does that implicitly within index 
operations. A global _dollar() would solve that and allow:

auto a = 1 .. $-1;
auto b = $-5 .. $;
auto c = myObj[a,b];

But that might be too much to ask for.

-- 
Oskar