File: typealias_dubious.scala

package info (click to toggle)
scala 2.7.7.dfsg-4
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 75,804 kB
  • ctags: 1,852
  • sloc: java: 7,762; xml: 6,608; sh: 1,723; cs: 158; makefile: 9; ansic: 6
file content (15 lines) | stat: -rw-r--r-- 373 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
class MailBox {
  //class Message 
  type Message = AnyRef
}   
   
abstract class Actor {
  private val in = new MailBox

  def send(msg: in.Message) =  error("foo")

  def unstable: Actor = error("foo")

  def dubiousSend(msg: MailBox#Message) = 
    unstable.send(msg) // in.Message becomes unstable.Message, but that's ok since Message is a concrete type member
}