The way roles/traits are described in [1] (and the pages it links to) make me think of Haskell type classes. Am I completely off in doing that? /M [1]: http://griddlenoise.blogspot.com/2007/05/traits-roles-as-alternative-to-abst... -- Magnus Therning (OpenPGP: 0xAB4DFBA4) magnus@therning.org Jabber: magnus.therning@gmail.com http://therning.org/magnus Software is not manufactured, it is something you write and publish. Keep Europe free from software patents, we do not want censorship by patent law on written works. Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety -- Benjamin Franklin, Historical Review of Pennsylvania, 1759