diff options
author | Iulian Dragos <jaguarul@gmail.com> | 2009-06-18 17:19:55 +0000 |
---|---|---|
committer | Iulian Dragos <jaguarul@gmail.com> | 2009-06-18 17:19:55 +0000 |
commit | 3ee6b3653f8c25d7d6b19b9f5d4af7fa082146a8 (patch) | |
tree | e97b8c0dd8d61e82f825f528f98842f777621f7a /test/files/pos/spec-sealed.scala | |
parent | be8e3c69114da5bc3020d5363b338b1c83aa22ef (diff) | |
download | scala-3ee6b3653f8c25d7d6b19b9f5d4af7fa082146a8.tar.gz scala-3ee6b3653f8c25d7d6b19b9f5d4af7fa082146a8.tar.bz2 scala-3ee6b3653f8c25d7d6b19b9f5d4af7fa082146a8.zip |
Specialization landed in trunk.
Diffstat (limited to 'test/files/pos/spec-sealed.scala')
-rw-r--r-- | test/files/pos/spec-sealed.scala | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/files/pos/spec-sealed.scala b/test/files/pos/spec-sealed.scala new file mode 100644 index 0000000000..8c06148d3e --- /dev/null +++ b/test/files/pos/spec-sealed.scala @@ -0,0 +1,32 @@ +sealed abstract class MyList[@specialized +A] { + def head: A + def tail: MyList[A] + + def ::[@specialized B >: A](x: B): MyList[B] = + new Cons[B](x, this) +} + +case object MyNil extends MyList[Nothing] { + def head = error("nil") + def tail = error("nil") +} + +case class Cons[@specialized a](private val hd: a, tl: MyList[a]) extends MyList[a] { + def head = hd + def tail = tl +} + +abstract class IntList extends MyList[Int] + +object Main extends Application { + val xs = 1 :: 2 :: 3 :: MyNil + println(xs) +} + +/* +final class ConsI(hd1: Int, tl1: MyList[Int]) extends Cons[Int](hd1, tl1) { + override val hd = hd1 + override val tl = tl1 +} +*/ +//class IntCons(_hd: Int, _tl: MyList[Int]) extends Cons[Int](_hd, _tl) |