Adding the ?. null verification

[Timon Gehr via Digitalmars-d]

On 06/19/2014 06:58 PM, Yota wrote:
>
> Won't opDispatch here destroy any hope for statement completion in the
> future?  I feel like D already has little hope for such tooling
> features, but this puts the final nail in the coffin.

auto opDispatch(string field)()
     if(is(typeof(__traits(getMember, t, field)))) // <-- not a nail