diff options
Diffstat (limited to 'test/files')
-rw-r--r-- | test/files/pos/t8962.scala | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/files/pos/t8962.scala b/test/files/pos/t8962.scala new file mode 100644 index 0000000000..4331c154ba --- /dev/null +++ b/test/files/pos/t8962.scala @@ -0,0 +1,31 @@ +package test.nestedcov + +sealed abstract class Outer[+A] +case class Let[+A](expr: Outer[Inner[A]]) extends Outer[A] + +sealed abstract class Inner[+A] + +sealed abstract class Outer2[+A, +B] +case class Let2[+A](expr: Outer2[Inner2[A], A]) extends Outer2[A, A] + +sealed abstract class Inner2[+A] + +sealed abstract class Outer3[+A, +B] +case class Let3[+A](expr: Outer3[A, A]) extends Outer3[A, A] + +object NestedCov { + def run[A](nc: Outer[A]) = nc match { + case Let(expr) => + expr : Outer[Inner[A]] + } + + def run2[A](nc: Outer2[A, A]) = nc match { + case Let2(expr) => + expr : Outer2[Inner2[A], A] + } + + def run3[A](nc: Outer3[A, A]) = nc match { + case Let3(expr) => + expr : Outer3[A, A] + } +} |