iterators again

[David B. Held]

Bill Baxter wrote:
> [...]
> I'm struggling here.  I'm feeling the void when it comes to iterators in 
> D, but none of the solutions I've seen implemented really resonate with 
> me.  I'm not sure whether it's me, or the libraries, or D that need to 
> change.  But I like my iterators to be value types, darnit.  :-)

The language definitely needs to change, and fixing structs to be on par 
with C++ is actually a priority for Walter.  However, finishing 
const/final/invariant comes first.

Dave