Doubt with auto_ptr_ref

CID

Hello all,

I was reading about auto_ptr from TC++PL. It tells, the purpose of
auto_ptr_ref is to implement the destructive copy semantics for
ordinary auto_ptrs.

Can somebody there please explain how it achives the requirement ? I am
interested to know how auto_ptr_ref helps in transferring ownership and
how it avoids copying of const auto_ptrs.

Any help will be appreciated.
Thanks and Regards
CID

Jul 23 '05 #1

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Jonathan Turkanis

CID wrote:

Hello all,

I was reading about auto_ptr from TC++PL. It tells, the purpose of
auto_ptr_ref is to implement the destructive copy semantics for
ordinary auto_ptrs.

Can somebody there please explain how it achives the requirement ?
It doesn't. The references cited here explain how it was supposed to work and
why it's broken:

http://www.kangaroologic.com/move_ptr/
I
am interested to know how auto_ptr_ref helps in transferring
ownership and how it avoids copying of const auto_ptrs.

Jonathan

Jul 23 '05 #2

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