Re: [boost] Deriving the type of a value in a class template

From: Peter Dimov (pdimov_at_[hidden])
Date: 2001-11-05 15:14:06

From: "Sean Parent" <sparent_at_[hidden]>
> Perhaps I'm wrong - but my read of shared_ptr leads me to believe that if
I
> have a special function to delete my pointer then I need to either
> specialize shared_deleter<> or, I suppose, overload checked_delete<>().
>
> Further - if I have an allocator that requires instance data I have no way
> to provide that to shared_ptr.

shared_ptr in shared_ptr_updates.zip has a constructor of the form

template<class D> shared_ptr<T>::shared_ptr<T>(T * p, D d);

that takes an arbitrary "deleter" function object (except that its copy
constructor must not throw.)

--
Peter Dimov
Multi Media Ltd.