Signals and Slots in D

[Chad J]

Georg Wrede wrote:
> Chad J > wrote:
> 
>> Couldn't you also do weak pointers by XORing them with 0xFFFFFFFF (or, 
>> better yet, const size_t weakxor = -1), then XORing again before and 
>> after you need to operate on them?
>>
>> Just thought I'd toss that out there.
> 
> 
> What happens the day we're halfway up the virtual memory space?

Then we might keep alive other dead objects.  That's life with a 
conservative gc.  Even mundane variables like int's in your code today 
can cause objects to be kept around past their expiration date.