Garbage collected pointers?

[Steven Schveighoffer]

On 3/1/18 7:05 AM, Gary Willoughby wrote:
> On Thursday, 1 March 2018 at 10:10:27 UTC, John Burton wrote:
>> My question is how do I tell if a pointer is "garbage collected" or not?
> 
> You could try `GC.addrOf()` or `GC.query()` in core.memory.

I was going to say this, but then I realized, it's not that the pointer 
points at GC-allocated memory, but that the pointer itself is stored in 
a location that is scanned by the GC. That's not as easy to figure out, 
as you have to look at stacks, added ranges, etc.

-Steve