Re: [Boost-users] [any] Is it possible to support polymorphism in boost::any?

AMDG Tang Jiang Jun wrote:

After thinking deeper, I figure out a rough implementation for this idea, and prove it can work with polymorphism. (It is just rough concept verification, and need a lot of work to polish it and make it usable).

A more automated way would be to use multiple inheritance and cross cast. class any_impl_base { public: virtual ~any_impl_base() {} }; template<class T, bool is_class = boost::is_class<T>::value> class any_impl : public T, public any_impl_base {}; In Christ, Steven Watanabe