From b00a1198aa69dd112da9d2b36f28a74472066c90 Mon Sep 17 00:00:00 2001
From: Philipp Haller <hallerp@gmail.com>
Date: Mon, 13 Nov 2006 16:19:22 +0000
Subject: Removed old iterator example.

---
 docs/examples/actors/Joins.scala | 58 ----------------------------------------
 1 file changed, 58 deletions(-)
 delete mode 100644 docs/examples/actors/Joins.scala

(limited to 'docs/examples')

diff --git a/docs/examples/actors/Joins.scala b/docs/examples/actors/Joins.scala
deleted file mode 100644
index 85105ec178..0000000000
--- a/docs/examples/actors/Joins.scala
+++ /dev/null
@@ -1,58 +0,0 @@
-package examples.actors
-
-import scala.actors.Actor._
-
-abstract class Producer[T] extends Iterator[T] {
-  protected def produce(x: T): unit = coordinator ! HasValue(x)
-  protected def produceValues: unit
-
-  def hasNext = { setCurrent(); !current.isEmpty }
-
-  def next: T = {
-    setCurrent()
-    val res = current.get
-    current = (coordinator !? Next).asInstanceOf[Option[T]]
-    res
-  }
-
-  private var current: Option[T] = null
-  private def setCurrent() =
-    if (current == null) current = (coordinator !? Next).asInstanceOf[Option[T]]
-
-  private case class  HasValue(value: T)
-  private case object Next
-  private case object Done
-  private case object Continue
-
-  private val coordinator = actor {
-    while (true)
-      receive {
-        case Next =>
-          reply {
-            receive {
-              case HasValue(v) =>
-                Some(v)
-              case Done =>
-                None
-            }
-          }
-      }
-  }
-
-  actor {
-    produceValues
-    coordinator ! Done
-  }
-}
-
-object Joins extends Application {
-  def from(m: int, n: int) = new Producer[int] {
-    def produceValues = for (val i <- m until n) produce(i)
-  }
-
-  // note that it works from the main thread
-  val it = from(1, 10)
-  while (it.hasNext) {
-    Console.println(it.next)
-  }
-}
-- 
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