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From: David Abrahams (dave_at_[hidden])
Date: 2008-05-01 10:03:32

on Thu Mar 13 2008, "Phil Bouchard" <> wrote:

> "David Abrahams" <dave_at_[hidden]> wrote in message
> [...]
>> If I understand correctly, none of this code is technically portable; it
>> is only "portable in practice" because of the way C++ is commonly
>> implemented. Is that correct?
>> It's not necessarily an argument against these proposals, but all Boost
>> library submissions should be very clear about where they rely on
>> unspecified or undefined behavior.
> No it is perfectly portable, this function called "roofof" simply cannot be
> applied to classes having virtual inheritance. It can be kept as an
> internal routine quite simply and used with PODs and classes having simple
> inheritances.
> sh::list<> and sh::stack<> classes can be used for different things also. I
> will write a pool allocator quickly using sh::list<> with the sh::roofof<>
> function for demonstration. I will also rename these for
> sh::intrusive_list<> and sh::intrusive_stack<>.

I'm sorry I wasn't clearer; I was actually referring to shifted_ptr.

Dave Abrahams
Boost Consulting

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