Robert Clipsham Wrote: > If you want this then you need abstract classes. > http://www.digitalmars.com/d/1.0/attribute.html#abstract > > abstract class A > { > abstract void f(int); > final void f_twice(int i) { f(i); f(i); } > } > > class B : A { } > > (new B).f_twice(1);
Unfortunately the derived class have already inherited another class in my code. I need interface inheritance.
