Added (a variation on) jorge ortiz's sortBy to ...

Added (a variation on) jorge ortiz's sortBy to SeqLike, added docs and
test case. Added map to Ordering.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/files/run/OrderingTest.scala b/test/files/run/OrderingTest.scala
index 49953b22d0..fee15fc2f9 100644
--- a/test/files/run/OrderingTest.scala
+++ b/test/files/run/OrderingTest.scala
@@ -28,4 +28,9 @@ object Test extends Application {
   testAll[Iterable[Int]](List(1, 2), List(2));
   testAll((1, "bar"), (1, "foo"))
   testAll((1, "foo"), (2, "bar"))
+
+  // sortBy
+  val words = "The quick brown fox jumped over the lazy dog".split(' ')
+  val result = words.sortBy(x => (x.length, x.head))
+  assert(result sameElements Array[String]("The", "dog", "fox", "the", "lazy", "over", "brown", "quick", "jumped"))
 }