i get the error : class is not a class template .Any idea why?
template<class T>
class nod{ friend class lista<T>;
protected: T info; nod<T> *urm,*prec; };1 Answer
lista is not known yet at this point in the code. So of course the compiler doesn't think it's a template class. You need to forward declare it with its template arguments. See also: How to forward declare a C++ template class?
