C++0x Concepts - Dead?

[bearophile]

BLS:
> >> bearophile brings in several times Scala/OCAML like pattern matching. 
> >> Why not using that for constraints ?
> > 
> > I have no idea how that works, though Bartosz has been looking into it.
> 
> O well, I am pretty sure that bearophile is willing to give you any 
> information you need  :)

Pattern matching is handy and it can be powerful, for example I've seen OCaML code that uses it to implement a AVL search tree in about 15 lines of code. But probably it also adds lot of complexity to a language like D, so there are more important things to add to D2 now (like good concurrency).

Bye,
bearophile