Weak references.

[Sean Kelly]

== Quote from Jarrett Billingsley (kb3ctd2 at yahoo.com)'s article
> "Sean Kelly" <sean at invisibleduck.org> wrote in message
> news:fttd02$1mp1$1 at digitalmars.com...
> >
> > Are these tables AAs?  And how do the weak references store their
> > reference?
> > The type information provided to AAs is a bit weak, and so some
> > non-pointer
> > data is currently still scanned by the GC.  I'm going to improve this a
> > bit in the
> > next Tango release, but it still won't be perfect (because the compiler
> > doesn't
> > provide enough info for it to be).
> In my tests I've just been doing
> auto weakref = new WeakRef!(A)(new A);
> and then checking that after doing god-knows-what to try to get it to
> collect that instance of A, so it's not even that I'm doing anything that
> crazy.

Just for kicks, try querying the GC to determine whether the GC thinks
weakref contains pointers.


Sean