import scala.actors.Actor._
 import au.com.langdale.actors.Joins._

 val a = actor {
   loop {
     pattern {
       case meat @ ("pork" | "chicken") => join {
         case "tofu" => join {
           case "noodles" => action { println(meat + " pad thai") }
           case "broth" => action { println(meat + " laksa") }
         }
         case "chillis" => join {
           case "coconut" => action { println(meat + " green curry") }
           case "lettuce" => action { println(meat + " thai salad") }
         }
       }
       case "chillis" => join {
         case "coconut" => join { case "beef" => action { println("red beef curry") }}
       }
     }
   }
 }

 "chillis" :: "pork" :: "chillis" :: "coconut" :: Nil foreach { a ! _ }