1 files changed, 22 insertions, 0 deletions
diff --git a/test/files/presentation/ping-pong/src/PingPong.scala b/test/files/presentation/ping-pong/src/PingPong.scala
new file mode 100644
index 0000000000..94f52c4658
--- /dev/null
+++ b/test/files/presentation/ping-pong/src/PingPong.scala
@@ -0,0 +1,22 @@
+
+class Ping {
+
+  val pong = new Pong(this)
+
+  def name = "ping"
+
+  def loop/*?*/ { poke() }
+
+  def poke/*?*/ { pong./*!*/poke() }
+
+  override def toString = name
+}
+
+class Pong(ping: Ping) {
+
+  val name/*?*/ = "pong"
+
+  def poke() { ping./*!*/poke() }
+
+  override def toString = name
+}
+\ No newline at end of file