     
     print("larry 10 >= larry 7")
 }
+
+let larry2a = Son(name: "Larry2", age: 2, truck: "Blue Dump")
+if larry2 == larry2a {
+    print("same larry")
+}
 /*:
  Above we created a `Son` class inheriting from `Father` and also conforming to the `Comparable` protocol. The `Son` class need to implement all the functions defined in the `Comparable` protocol. Next we create four instances of a `Son` class exercising the comparison operators of `<, <=, >=, >`.
  */

        
        return lhs.age > rhs.age
    }
}

let larry2 = Son(name: "Larry", age: 2, truck: "Blue Dump")

    }
}

let runnerWalker: Runnable = RunnerWalker(walker: Walker(direction: "North"))

runnerWalker.run(speed: 4.5)
/*:
