http://lemonodor.com/archives/000337.html Norvig's Design Patterns in Dynamic Programming slides have been around for a long time, but I had never heard of this follow-up paper from last year by Gregory Sullivan, "Advanced Programming Language Features for Executable Design Patterns". [via chris... en-us http://www.ninoprod.info/ Beetle wants to go home http://www.tresdin.info/ Fantastic site