adapted code to Scala 2 syntax in files src/exa...

adapted code to Scala 2 syntax in files src/examples/**/*.scala

1 files changed, 7 insertions, 8 deletions

diff --git a/docs/examples/iterators.scala b/docs/examples/iterators.scala
index 5f951156cf..c0bfb91cef 100644
--- a/docs/examples/iterators.scala
+++ b/docs/examples/iterators.scala
@@ -3,14 +3,14 @@ package examples;
 object iterators {
 
   def Array(elems: Double*): Array[Double] = {
-    val ar = new Array[Double](elems.length);
+    val ar = new Array[Double](elems.length)
     for (val i <- Iterator.range(0, elems.length))
-      ar(i) = elems(i);
+      ar(i) = elems(i)
     ar
   }
 
   def printArray(xs: Array[Double]) =
-    Iterator.fromArray(xs) foreach { x => Console.println(x) };
+    Iterator.fromArray(xs) foreach { x => Console.println(x) }
 
   def findGreater(xs: Array[Double], limit: Double) =
     Iterator.fromArray(xs)
@@ -18,12 +18,11 @@ object iterators {
       .filter{case Pair(x, i) => x > limit }
       .map{case Pair(x, i) => i}
 
-  def main(args: Array[String]) = {
-    val ar = Array/*[Double]*/(6, 2, 8, 5, 1);
-    printArray(ar);
-    Console.println("Elements greater than 3.0:");
+  def main(args: Array[String]): Unit = {
+    val ar = Array/*[Double]*/(6, 2, 8, 5, 1)
+    printArray(ar)
+    Console.println("Elements greater than 3.0:")
     findGreater(ar, 3.0) foreach { x => Console.println(ar(x)) }
   }
 
 }
-