updated examples

1 files changed, 9 insertions, 9 deletions

diff --git a/docs/examples/sort.scala b/docs/examples/sort.scala
index cc06f19366..9a928f1107 100644
--- a/docs/examples/sort.scala
+++ b/docs/examples/sort.scala
@@ -2,23 +2,23 @@ package examples
 
 object sort {
 
-  def sort(a: Array[Int]): Unit = {
+  def sort(a: Array[Int]) {
 
-    def swap(i: Int, j: Int): Unit = {
+    def swap(i: Int, j: Int) {
       val t = a(i); a(i) = a(j); a(j) = t
     }
 
-    def sort1(l: Int, r: Int): Unit = {
+    def sort1(l: Int, r: Int) {
       val pivot = a((l + r) / 2)
       var i = l
       var j = r
       while (i <= j) {
-        while (a(i) < pivot) { i = i + 1 }
-        while (a(j) > pivot) { j = j - 1 }
+        while (a(i) < pivot) { i += 1 }
+        while (a(j) > pivot) { j -= 1 }
         if (i <= j) {
           swap(i, j)
-          i = i + 1
-          j = j - 1
+          i += 1
+          j -= 1
         }
       }
       if (l < j) sort1(l, j)
@@ -29,7 +29,7 @@ object sort {
       sort1(0, a.length - 1)
   }
 
-  def println(ar: Array[Int]) = {
+  def println(ar: Array[Int]) {
     def print1 = {
       def iter(i: Int): String =
         ar(i) + (if (i < ar.length-1) "," + iter(i+1) else "")
@@ -38,7 +38,7 @@ object sort {
     Console.println("[" + print1 + "]")
   }
 
-  def main(args: Array[String]): Unit = {
+  def main(args: Array[String]) {
     val ar = Array(6, 2, 8, 5, 1)
     println(ar)
     sort(ar)