diff options
Diffstat (limited to 'tests/untried/neg/tailrec-2.scala')
-rw-r--r-- | tests/untried/neg/tailrec-2.scala | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/tests/untried/neg/tailrec-2.scala b/tests/untried/neg/tailrec-2.scala deleted file mode 100644 index d6b8b1355..000000000 --- a/tests/untried/neg/tailrec-2.scala +++ /dev/null @@ -1,29 +0,0 @@ -sealed abstract class Super[+A] { - def f[B >: A](mem: List[B]) : List[B] - def g(mem: List[_]) = ??? -} -// This one should fail, target is a supertype -class Bop1[+A](val element: A) extends Super[A] { - - @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Super[A]).f(mem) - @annotation.tailrec final def f1[B >: A](mem: List[B]): List[B] = this.g(mem) -} -// These succeed -class Bop2[+A](val element: A) extends Super[A] { - @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Bop2[A]).f(mem) -} -object Bop3 extends Super[Nothing] { - @annotation.tailrec final def f[B](mem: List[B]): List[B] = (null: Bop3.type).f(mem) -} -class Bop4[+A](val element: A) extends Super[A] { - @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = Other.f[A].f(mem) -} - -object Other { - def f[T] : Bop4[T] = sys.error("") -} - -object Bop { - def m1[A] : Super[A] = sys.error("") - def m2[A] : Bop2[A] = sys.error("") -} |