matching: + exhaustivity check, warnings

Iterator: gets mkString method
Iterable: only whitespace
Definitions: value classes no longer SEALED
test cases for exhaustivity + unapply/array

1 files changed, 31 insertions, 0 deletions

diff --git a/test/files/run/unapplyArray.scala b/test/files/run/unapplyArray.scala
new file mode 100644
index 0000000000..bf6582dadf
--- /dev/null
+++ b/test/files/run/unapplyArray.scala
@@ -0,0 +1,31 @@
+object Test {
+  def main(args:Array[String]): Unit = {
+    val z = Array(1,2,3,4)
+    val zs: Seq[int] = z
+    val za: Any = z
+
+/*
+    Console.println("z  is arr[int]"+z.isInstanceOf[Array[int]])
+    Console.println("zs is arr[int]"+zs.isInstanceOf[Array[int]])
+    Console.println("za is arr[int]"+ za.isInstanceOf[Array[int]])
+
+    Console.println("z  is seq[int]"+z.isInstanceOf[Seq[int]])
+    Console.println("zs is seq[int]"+zs.isInstanceOf[Seq[int]])
+    Console.println("za is seq[int]"+ za.isInstanceOf[Seq[int]])
+
+    Console.println("z  is anyref"+z.isInstanceOf[AnyRef])
+
+    Console.println("z   useq "+ Seq.unapplySeq(z))
+    Console.println("zs  useq "+ Seq.unapplySeq(zs))
+    Console.println("za  useq "+ Seq.unapplySeq(za))
+
+    Console.println("z   aseq "+ Seq.unapplySeq(z))
+    Console.println("zs  aseq "+ Seq.unapplySeq(zs))
+    Console.println("za  aseq "+ Seq.unapplySeq(za))
+*/
+    val zl = zs match {
+      case Seq(xs@_*) => xs.length
+    }
+    assert(zl == 4)
+  }
+}