[boost] Re: Performance: shared_ptr

From: David B. Held (dheld_at_[hidden])
Date: 2003-11-17 19:01:18

"Matthew Wilson" <stlsoft_at_[hidden]> wrote in message
news:bpb8lg$n4m$1_at_sea.gmane.org...
> [...]
> Not the general principle of having the reference-count
> external to the counted type, but the specific technique of
> having it a heap-allocated (integer) instance. That seems,
> to me anyway, the essence of the shared_ptr, and the bit
> that's conceptually beautiful (albeit potentially slightly
> inefficient).

Just out of curiosity, how else do you implement an external
count?

Dave

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