diff options
author | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
---|---|---|
committer | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
commit | 9ef5f6817688f814a3450126aa7383b0928e80a0 (patch) | |
tree | 5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/neg/overloaded-unapply.scala | |
parent | 194be919664447631ba55446eb4874979c908d27 (diff) | |
download | dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.gz dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.bz2 dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.zip |
add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/neg/overloaded-unapply.scala')
-rw-r--r-- | tests/untried/neg/overloaded-unapply.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/untried/neg/overloaded-unapply.scala b/tests/untried/neg/overloaded-unapply.scala new file mode 100644 index 000000000..36909626c --- /dev/null +++ b/tests/untried/neg/overloaded-unapply.scala @@ -0,0 +1,24 @@ +sealed abstract class List[+a] +private case object Nil extends List[Nothing] +private final case class Cons[+a](head: a, tail: List[a]) +extends List[a] + +object List { + def unapply[a](xs: List[a]): Option[(a, List[a])] = xs match { + case Nil => None + case Cons(x, xs) => Some(x, xs) + } + + def unapply[a](xs: List[a]): Option[Null] = xs match { + case Nil => Some(null) + case Cons(_, _) => None + } + + def foo[a](xs: List[a]) = xs match { + case List(x, xs) => 7 + } + + def bar(xs: Any) = xs match { // test error message OverloadedUnapplyError + case List(x, xs) => 7 + } +} |