gistfile1.swift

import Foundation

class Model {
    func action() {
        genericPrint(self.dynamicType.self, self)
    }
}

class Child: Model {
    func indirect() {
        action()
    }
}

func genericPrint<T: Model>(type: T.Type, input: T) -> T? {
    dump(NSStringFromClass(type))
    dump(NSStringFromClass(T))
    return input
}

Child().indirect()