Scala example source code file (channels.scala)

This example Scala source code file (channels.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

app, app, channel, channel, ic, ic, int, set, test, test, test2

The Scala channels.scala source code

class Channel[a]

import collection.mutable.Set

case class ![a](chan: Channel[a], data: a)

/*
object Bang {
  def unapply[a](x: ![a]): Option[{Channel[a], a}] = 
    Some(x.chan, x.data)
}

*/
object Test extends App {
  object IC extends Channel[Int]
  def f[b](x: ![b]): Int = x match {
    case send: ![c] => 
      send.chan match {
        case IC => send.data
      }
  }
}

object Test2 extends App {
  object IC extends Channel[Set[Int]]
  def f[b](s: ![b]): Set[Int] = s match {
    case IC ! x => x
  }
}