How to approach copying objects with smart pointers as class attributes?

Question

From the boost library documentation I read this:

Conceptually, smart pointers are seen as owning the object pointed to, and thus responsible for de

Answer 1

I've never heard about ready-to-use realisation, but you can simply do it by yourself.

First of all your should write some template wrapper class which has virtual clone method, returning copy of stored object. And then write some polymophic holder of that class which would be copyable

and don't forget about checked delete http://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Checked_delete