fixed several problems with cyclic references u...

fixed several problems with cyclic references uncovered by experimenting
with collections. Added early type definitions.

1 files changed, 0 insertions, 38 deletions

diff --git a/test/files/neg/bug1279a.scala b/test/files/neg/bug1279a.scala
deleted file mode 100644
index 7568d3afcd..0000000000
--- a/test/files/neg/bug1279a.scala
+++ /dev/null
@@ -1,38 +0,0 @@
-// providing the type parameter in the recursive call to all4Impl
-// avoids the problem
-
-
-// covariant linked list
-abstract class M
-{ self =>
-
-    type T
-    final type selfType = M {type T <: self.T}
-    type actualSelfType >: self.type <: selfType
-
-    def next: selfType
-
-
-    // I don't understand why this doesn't compile, but that's a separate matter
-    // error: method all2 cannot be accessed in M.this.selfType
-    // because its instance type => Stream[M{type T <: M.this.selfType#T}]
-    // contains a malformed type: M.this.selfType#T
-    // def all2: Stream[M {type T <: self.T}] = Stream.cons(self: actualSelfType, next.all2)
-
-
-    // compiles successfully
-    // def all3: Stream[M {type T <: self.T}] = all3Impl(self: actualSelfType)
-    // private def all3Impl(first: M {type T <: self.T}): Stream[M {type T <: self.T}] = Stream.cons(first, all3Impl(first.next))
-
-
-
-    def all4: Stream[M {type T <: self.T}] = Unrelated.all4Impl[T](self: actualSelfType)
-}
-
-object Unrelated
-{
-   def all4Impl[U](first: M {type T <: U}): Stream[M {type T <: U}] = Stream.cons(first, all4Impl(first.next))
-
-// compiles successfully
-//      def all4Impl[U](first: M {type T <: U}): Stream[M {type T <: U}] = Stream.cons(first, all4Impl[U](first.next))
-}