Re: [boost] FW: ptr_container: ptr_map_adapter interface

From: Thorsten Ottosen (tottosen_at_[hidden])
Date: 2006-01-04 11:10:47

Hi David,

Nice to know your name :-)

>>Note that DerivedDerivedS1/S2 does not implement do_clone().
>>
> 
> 
> Yes.  That's exactly the point I'm trying to make.
> Both the boost pointer containers and the cow_ptr/copy_ptr method can
> result in splicing via improper usage.

right, if you don't make a class clonable in a proper manner, it wont be 
cloned in a proper manner. <g>

> Both methods can produce splicing via derive-derive type, and both
> methods can produce splicing via derive type of a non-abstract type.
> 
> Furthermore, making the class non-copyable does not prevent the splicing
> in a pointer idiom.

I'm not sure this is called splicing.

I'd call it a bug.

-Thorsten