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diff --git a/src/library/scalax/collection/generic/MutableVectorTemplate.scala b/src/library/scalax/collection/generic/MutableVectorTemplate.scala
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+++ b/src/library/scalax/collection/generic/MutableVectorTemplate.scala
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+/*                     __                                               *\
+**     ________ ___   / /  ___     Scala API                            **
+**    / __/ __// _ | / /  / _ |    (c) 2006-2009, LAMP/EPFL             **
+**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
+** /____/\___/_/ |_/____/_/ | |                                         **
+**                          |/                                          **
+\*                                                                      */
+
+// $Id: Vector.scala 15437 2008-06-25 16:22:45Z stepancheg $
+
+package scalax.collection.generic
+
+import collection.mutable.Vector
+import collection.mutable.Vector._
+
+/** Sequences that support O(1) element access and O(1) length computation.
+ *  plus an update operation.
+ *  @author Sean McDirmid
+ *  @author Martin Odersky
+ *  @version 2.8
+ */
+trait MutableVectorTemplate[+CC[B] <: MutableVectorTemplate[CC, B] with Vector[B], A] extends VectorTemplate[CC, A] {
+self =>
+
+  def update(idx: Int, elem: A)
+
+  /** Creates a view of this iterable @see OrderedIterable.View
+   */
+  override def view: MutableVectorView[CC, A] = new MutableVectorView[CC, A] { // !!! Martin: We should maybe infer the type parameters here?
+    val origin: Vector[_] = thisCC
+    val length: Int = self.length
+    def apply(idx: Int): A = self.apply(idx)
+    def update(idx: Int, elem: A) = self.update(idx, elem)
+  }
+
+  /** A sub-sequence view  starting at index `from`
+   *  and extending up to (but not including) index `until`.
+   *
+   *  @param from   The index of the first element of the slice
+   *  @param until  The index of the element following the slice
+   *  @note  The difference between `view` and `slice` is that `view` produces
+   *         a view of the current sequence, whereas `slice` produces a new sequence.
+   *
+   *  @note view(from, to)  is equivalent to view.slice(from, to)
+   */
+  override def view(from: Int, until: Int): MutableVectorView[CC, A] = view.slice(from, until)
+
+  def readOnly: collection.Vector[A] = new collection.Vector[A] { //!!! just use a VectorProxy?
+    def length = self.length
+    def apply(idx : Int) = self.apply(idx)
+    def newBuilder[B]: Builder[collection.Vector, B] = self.newBuilder[B] //mapResult (_.readOnly)
+    override def foreach(f: A => Unit) = self.foreach(f)
+    override def stringPrefix = self.stringPrefix+"RO"
+  }
+}
+