Migrate build to @odersky's suggestion of convertTo.

* Move method into TraversableOnce from Iterator and Traversable to make the build pass.
* Udpate IDE tests with new collection methods.
* Rewire default toXYZ methods to use convertTo.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/library/scala/collection/GenTraversableOnce.scala b/src/library/scala/collection/GenTraversableOnce.scala
index 46be27f1cd..37f726c8fb 100644
--- a/src/library/scala/collection/GenTraversableOnce.scala
+++ b/src/library/scala/collection/GenTraversableOnce.scala
@@ -565,10 +565,10 @@ trait GenTraversableOnce[+A] extends Any {
    *  @tparam Col  The collection type to build.
    *  @return a new collection containing all elements of this $coll.
    *  
-   *  @usecase def build[Col[_]]: Col[A]
+   *  @usecase def convertTo[Col[_]]: Col[A]
    *    @inheritdoc
    *    $willNotTerminateInf
    *    @return a new collection containing all elements of this $coll.
    */
-  def build[Col[_]](implicit cbf: CanBuildFrom[Nothing, A, Col[A @uV]]): Col[A @uV]
+  def convertTo[Col[_]](implicit cbf: CanBuildFrom[Nothing, A, Col[A @uV]]): Col[A @uV]
 }