Re: [boost] scoped_ptr deleter

Subject: Re: [boost] scoped_ptr deleter
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-09-15 09:32:44

Berserker wrote:
> Stewart, Robert wrote:
> > That change creates multiple, distinct classes.
> > shared_ptr<T,boost::checked_deleter<T>> is not the same as
> shared_ptr<T,my_deleter<T>>.
> > By embedding the deleter in the shared_ptr with type erasure,
> > shared_ptr<T> is shared_ptr<T> is shared_ptr<T>, regardless
> of the deleter.
>
> Sure and that's the point :)

I'm sorry, I read your post too quickly, seeing "shared_ptr" where you wrote "scoped_ptr."

> As I wrote, since the "noncopyable nature" of scoped_ptr
> (shared_ptr is copiable by design), the creation of distinct
> classes isn't a problem.

Right.

> I think that the "real problem" here
> is to provide a solution that doesn't require extra memory overhead.

That, of course, requires nothing more than a static member function in the supplied deleter type as your proposal implies.

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer, Core Software      using std::disclaimer;
Susquehanna International Group, LLP  http://www.sig.com

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