Rust has them too, it's described in this very interesting blog post that I haven't had time to fully read yet: http://smallcultfollowing.com/babysteps/blog/20

Rust has them too, it's described in this very interesting blog post that I haven't had time to fully read yet: http://smallcultfollowing.com/babysteps/blog/2012/04/09/rusts-object-system/ http://smallcultfollowing.com/babysteps/blog/2012/04/09/rust... "We also manage to combine traditional class-oriented OOP with Haskell’s type classes in a way that feels seamless to me."