all tasks

Task/Synchronous-concurrency/Scala/synchronous-concurrency.scala

@@ -0,0 +1,23 @@
+case class HowMany(asker:Actor)
+
+val printer = actor {
+  var count = 0
+    while(true){
+      receive{
+	case line:String => print(line); count = count + 1
+        case HowMany(asker:Actor) => asker ! count ; exit()
+      }
+    }
+}
+
+def reader(printer:Actor) {
+  scala.io.Source.fromFile("c:\\input.txt").getLines foreach {printer ! _ }
+  printer ! HowMany(
+    actor {
+      receive{
+	case count:Int => println("line count = "+count)
+      }
+    })
+}
+
+reader(printer)