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On Monday 06 July 2009, Zachary Turner wrote:
> You shouldn't have to store 2 function pointers for every
> intrusive_ptr object. You should only have to store 2 function
> pointers per instance pointed to, and then 1 reference to some shared
> structure in each intrusive_ptr object. Much like shared_ptr
> currently does.
You'd still need a pointer in every intrusive_ptr object to point at the
shared_structure, plus you'd have to do dynamic allocation of the shared
object. That is never going to fly.
- From the "main reasons to use intrusive_ptr" section of its documentation:
"The memory footprint of intrusive_ptr is the same as the corresponding raw
pointer;"
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