From: "Joe Gottman" <[EMAIL PROTECTED]> > > "Pavel Vozenilek" <[EMAIL PROTECTED]> wrote in message > b0svlm$l1q$[EMAIL PROTECTED]">news:b0svlm$l1q$[EMAIL PROTECTED]... > > > > "Robert Ramey" <[EMAIL PROTECTED]> wrote in message > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > Is there such a thing as is_abstract_base<T> similar to > is_polymorphic<T> > > ? > > > > > > Is such a thing possible? I could use it but have been unable to > figrure > > > out how to do it. > > > > > Rani Sharoni wrote is_abstract_class<T> type trait (see > > on > > > http://groups.google.com/groups?q=is_abstract_class&hl=en&lr=&ie=UTF-8&oe=UT > > > This class determines whether it is possible to create an array of type > T. If it is not, and T is not void, a reference, or a function, it assumes > that T must be an abstract base class. The problem is that it is impossible > to create an array of any type that does not have a public constructor, for > instance a non-abstract singleton class. So this does not quite work.
No, the code does not attempt to create an array of T. It only tests whether it's possible to _declare_ an array of T. _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
