Re: [boost] [ptr_container] ptr_vector across DLL boundaries

Subject: Re: [boost] [ptr_container] ptr_vector across DLL boundaries
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2009-06-26 04:30:35

Robert Dailey skrev:
> If you want to provide a stateful clone allocator, it would allow me to do
> something like this:
> class clone_allocator
> {
> public:
>   clone_allocator()
>   {
>     dll_clone_object = GetProcAddress();
>   }
>   MyClass* operator() ( MyClass const& node )
>   {
>     return dll_clone_object( node )
>   }
> 
> private:
>   MyClass* (*dll_clone_object)( MyClass const& );
> };
> 
> Note that the above is pseudocode. The point is, it would allow me to
> abstract the DLL factory function for creating clones, thus giving me full
> control over which 'delete' and 'new' method is called (In this case, it
> would be the one from the DLL's memory manager).

Ok. This should be very easy to add.

I'm going to additionally require that a clone allocator is

1. default constructible

2. nothrow swapable

-Thorsten