diff options
Diffstat (limited to 'test/pending/neg/t6680b.scala')
| -rw-r--r-- | test/pending/neg/t6680b.scala | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/pending/neg/t6680b.scala b/test/pending/neg/t6680b.scala new file mode 100644 index 0000000000..e9f6468315 --- /dev/null +++ b/test/pending/neg/t6680b.scala @@ -0,0 +1,10 @@ +trait Super[+A] +// `Hidden` must occur in both variance positions (covariant/contravariant) for the sneakiness to work +// this way type inference will infer Any for `Hidden` and `A` in the pattern below +case class Concrete[Hidden, +A](havoc: Hidden => Hidden) extends Super[A] + +object Test extends App { + (Concrete((x: Int) => x): Super[Any]) match { + case Concrete(f) => f("not what you'd expect") + } +}
\ No newline at end of file |