[C++-sig] Re: make_constructor issues

[David Abrahams]

Stefan Seefeld <sseefeld at art.ca> writes:

>> To me it seems the best implementation of the factory should return
>> auto_ptr<Foo> or shared_ptr<Foo> in order to avoid a copy.
>
> But copy-construct it must anyways, simply because I chose to export
> the type as class_<Foo>, not class_<Foo, shared_ptr<Foo> > !?!

No; there's no copy construction.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com