bob and alice for typed channels

gistfile1.txt

package com.restphone

import akka.actor.Actor
import akka.actor.ActorSystem
import com.typesafe.config.ConfigFactory
import akka.channels._

class Message
class Response

class Alice extends Actor with Channels[TNil, (Message, Response) :+: TNil] {
  channel[Message] {
    case (a, b) => 
      println(f"alice: $a $b")
      b <-!- (new Response)
  }
}

class Bob extends Actor with Channels[TNil, (Response, Nothing) :+: TNil] 
// If you delete these lines (through XXX), you'll see the println from alice.
// If you include these lines, you'll see 
//    [ERROR] [04/06/2013 16:46:43.400] [MySystem-akka.actor.default-dispatcher-4] [akka://MySystem/user/bob] missing declarations for channels akka.channels.:+:[(com.restphone.Response, Nothing),akka.channels.TNil]
{
  channel[Response] {
    case (a, b) => println(f"bob: $a $b")
  }
}
// XXX

object MyApp extends App {
  val customConf = ConfigFactory.parseString("""
akka {
  loglevel = "DEBUG"
}
""")
  val system = ActorSystem("MySystem", ConfigFactory.load(customConf))

  val alice = ChannelExt(system).actorOf(new Alice(), "alice")
  implicit val bob = ChannelExt(system).actorOf(new Bob(), "bob")

  (new Message) -!-> alice

  Thread.sleep(2000)

  system.shutdown
}