You can define iHittable and get the code to compile, but it doesn't make the actual issue (polymorphism) any easier to tackle. I think eschewing inheritance in

You can define iHittable and get the code to compile, but it doesn't make the actual issue (polymorphism) any easier to tackle. I think eschewing inheritance in favor of aspects is definitely the way to go. (Of course, you can wrap everything in a fluent-style interface either way - that part is orthogonal to all the rest.)