But yes, I agree, we have not yet fully figured out (let alone documented) the Nullable business. It is, after all, only functionality that's less than a month old.
On Thu, Oct 9, 2014 at 11:34 AM, Stefan Karpinski <[email protected]> wrote: > On Thu, Oct 9, 2014 at 11:19 AM, John Myles White < > [email protected]> wrote: > >> People have started using isdefined in non-Base code, which I think is >> the first step towards #undef becoming a de facto first-class citizen. > > > This is actually not such a big deal since you still can't return it from > a function or assign it anywhere – that's the real problem since it poisons > all type analysis. >
