From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-04-26 18:39:31
Thorsten Ottosen wrote:
> because you had to put "polymorphic" in front of "value" to describe
> what it means;
> polymorphic objects don't have value-based copy-semantics; you can't
> provide meaningful copy-constructor
> and copy-assignment operators.
A cloning pointer holding a polymorphic object is CopyConstructible and
Assignable. Why is this not meaningful?
A vector of cloning pointers is also CopyConstructible and Assignable.