Fixed Iterator.drop (contribution #415)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/library/scala/Iterator.scala b/src/library/scala/Iterator.scala
index 9d88a72626..4fff4c3faf 100644
--- a/src/library/scala/Iterator.scala
+++ b/src/library/scala/Iterator.scala
@@ -238,7 +238,7 @@ trait Iterator[+A] {
    *  @return  the new iterator
    */
   def drop(n: Int): Iterator[A] =
-    if (n > 0) { next; drop(n - 1) } else this
+    if (n > 0 && hasNext) { next; drop(n - 1) } else this
 
   /** Returns a new iterator that maps all elements of this iterator
    *  to new elements using function <code>f</code>.