Symbolic languages make it trivial. The only really complex state machine i ever wrote was in lisp (it was an IA for a game). Not the most intelligent IA, but a

Symbolic languages make it trivial. The only really complex state machine i ever wrote was in lisp (it was an IA for a game). Not the most intelligent IA, but a breath to write. The only feature a language really need to make usable state machines are closures.