Hi,<BR><BR>I have a base class whose destructor is pure virtual, so the class is abstract.<BR><BR>I have a derived class (subtype) whose multi-argument constructor wants to call the base class's zero ...

<br><br>Basically I'm searching for a way of specifying a policy that a class must have a method with partial signature <i>getValue () </i> and yet not tie down the return type. i.e. every class must ...