fix for #1721

1 files changed, 2 insertions, 9 deletions

diff --git a/src/library/scala/Seq.scala b/src/library/scala/Seq.scala
index 0d1306b07f..18b8dac676 100644
--- a/src/library/scala/Seq.scala
+++ b/src/library/scala/Seq.scala
@@ -470,15 +470,8 @@ trait Seq[+A] extends AnyRef with PartialFunction[Int, A] with Collection[A] {
   /** @return true if this sequence end with that sequence
    *  @see String.endsWith
    */
-  def endsWith[B](that: Seq[B]): Boolean = {
-    val length = this.length
-    val j = that.elements
-    var i = 0
-    var result = true
-    while (result && i < length && j.hasNext)
-      result = apply(length - i - 1) == j.next
-    result && !j.hasNext
-  }
+  def endsWith[B](that: Seq[B]): Boolean =
+    drop(length - that.length).sameElements(that)
 
   /**
    * Searches for the argument sequence in the receiver object, returning