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.

2 files changed, 10 insertions, 8 deletions

diff --git a/test/files/presentation/ide-bug-1000531.check b/test/files/presentation/ide-bug-1000531.check
index e813ce119b..9d4674d7c7 100644
--- a/test/files/presentation/ide-bug-1000531.check
+++ b/test/files/presentation/ide-bug-1000531.check
@@ -3,7 +3,7 @@ reload: CrashOnLoad.scala
 askTypeCompletion at CrashOnLoad.scala(6,12)
 ================================================================================
 [response] aksTypeCompletion at (6,12)
-retrieved 124 members
+retrieved 126 members
 [accessible:  true] `class GroupedIteratorIterator[B]#GroupedIterator`
 [accessible:  true] `method !=(x$1: Any)Boolean`
 [accessible:  true] `method !=(x$1: AnyRef)Boolean`
@@ -25,6 +25,7 @@ retrieved 124 members
 [accessible:  true] `method collectFirst[B](pf: PartialFunction[B,B])Option[B]`
 [accessible:  true] `method collect[B](pf: PartialFunction[B,B])Iterator[B]`
 [accessible:  true] `method contains(elem: Any)Boolean`
+[accessible:  true] `method convertTo[Col[_]](implicit cbf: scala.collection.generic.CanBuildFrom[Nothing,B,Col[B]])Col[B]`
 [accessible:  true] `method copyToArray[B >: B](xs: Array[B])Unit`
 [accessible:  true] `method copyToArray[B >: B](xs: Array[B], start: Int)Unit`
 [accessible:  true] `method copyToArray[B >: B](xs: Array[B], start: Int, len: Int)Unit`
@@ -109,6 +110,7 @@ retrieved 124 members
 [accessible:  true] `method toStream=> scala.collection.immutable.Stream[B]`
 [accessible:  true] `method toString()String`
 [accessible:  true] `method toTraversable=> Traversable[B]`
+[accessible:  true] `method toVector=> Vector[B]`
 [accessible:  true] `method wait()Unit`
 [accessible:  true] `method wait(x$1: Long)Unit`
 [accessible:  true] `method wait(x$1: Long, x$2: Int)Unit`
diff --git a/test/files/run/collection-conversions.scala b/test/files/run/collection-conversions.scala
index d7fcbb352a..b5c4d8e261 100644
--- a/test/files/run/collection-conversions.scala
+++ b/test/files/run/collection-conversions.scala
@@ -34,17 +34,17 @@ object Test {
     val tmp = col
     println("-- Testing " + name + " ---")
     printResult("[Direct] Vector   ", col.toVector, testVector)
-    printResult("[Copy]   Vector   ", col.build[Vector], testVector)
+    printResult("[Copy]   Vector   ", col.convertTo[Vector], testVector)
     printResult("[Direct] Buffer   ", col.toBuffer, testBuffer)
-    printResult("[Copy]   Buffer   ", col.build[Buffer], testBuffer)
+    printResult("[Copy]   Buffer   ", col.convertTo[Buffer], testBuffer)
     printResult("[Direct] GenSeq   ", col.toSeq, testGenSeq)
-    printResult("[Copy]   GenSeq   ", col.build[GenSeq], testGenSeq)
-    printResult("[Copy]   Seq      ", col.build[Seq], testSeq)
+    printResult("[Copy]   GenSeq   ", col.convertTo[GenSeq], testGenSeq)
+    printResult("[Copy]   Seq      ", col.convertTo[Seq], testSeq)
     printResult("[Direct] Stream   ", col.toStream, testStream)
-    printResult("[Copy]   Stream   ", col.build[Stream], testStream)
+    printResult("[Copy]   Stream   ", col.convertTo[Stream], testStream)
     printResult("[Direct] Array    ", col.toArray, testArray)
-    printResult("[Copy]   Array    ", col.build[Array], testArray)
-    printResult("[Copy]   ParVector", col.build[ParVector], testParVector)
+    printResult("[Copy]   Array    ", col.convertTo[Array], testArray)
+    printResult("[Copy]   ParVector", col.convertTo[ParVector], testParVector)
   }
   
   def main(args: Array[String]): Unit = {