How about Parasitic Inheritance? http://www.breck-mckye.com/blog/2014/05/why-i-prefer-parasitic-inheritance/ http://www.breck-mckye.com/blog/2014/05/why-i-prefe

How about Parasitic Inheritance? http://www.breck-mckye.com/blog/2014/05/why-i-prefer-parasitic-inheritance/ http://www.breck-mckye.com/blog/2014/05/why-i-prefer-parasit... You can get rid of "this" and all it's problems, and the code is even cleaner.