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authorSamuel Gruetter <samuel.gruetter@epfl.ch>2014-03-12 22:44:33 +0100
committerSamuel Gruetter <samuel.gruetter@epfl.ch>2014-03-12 22:44:33 +0100
commit9ef5f6817688f814a3450126aa7383b0928e80a0 (patch)
tree5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/pos/virtpatmat_exist1.scala
parent194be919664447631ba55446eb4874979c908d27 (diff)
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add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/pos/virtpatmat_exist1.scala')
-rw-r--r--tests/untried/pos/virtpatmat_exist1.scala24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/untried/pos/virtpatmat_exist1.scala b/tests/untried/pos/virtpatmat_exist1.scala
new file mode 100644
index 000000000..6cad017b0
--- /dev/null
+++ b/tests/untried/pos/virtpatmat_exist1.scala
@@ -0,0 +1,24 @@
+import annotation.unchecked.{ uncheckedVariance=> uV }
+import scala.collection.immutable.{ListMap, HashMap, ListSet, HashSet}
+
+object Test {
+ class HashMapCollision1[A, +B](var hash: Int, var kvs: ListMap[A, B @uV]) extends HashMap[A, B @uV]
+ class HashSetCollision1[A](var hash: Int, var ks: ListSet[A]) extends HashSet[A]
+
+ def splitArray[T](ad: Array[Iterable[T]]): Any =
+ ad(0) match {
+ case _: HashMapCollision1[_, _] | _: HashSetCollision1[_] => null
+ }
+
+ // without type ascription for the one in the body of the last flatmap of each alternative, type inference borks on the existentials
+ // def splitArray[T >: Nothing <: Any](ad: Array[Iterable[T]]): Any = { import OptionMatching._
+ // runOrElse(ad.apply(0))(((x1: Iterable[T]) => (
+ // or(((x4: Iterable[T]) => one(null)),
+ // guard(x1.isInstanceOf[Iterable[T] with Test.HashMapCollision1[_,_]], x1.asInstanceOf[Iterable[T] with Test.HashMapCollision1[_,_]]).flatMap(((x2: Iterable[T] with Test.HashMapCollision1[_,_]) => one(x2))),
+ // guard(x1.isInstanceOf[Test.HashSetCollision1[_]], x1.asInstanceOf[Iterable[T] with Test.HashSetCollision1[_]]).flatMap(((x3: Iterable[T] with Test.HashSetCollision1[_]) => one(x3)))): Option[Any]).orElse(
+ // (zero: Option[Any])))
+ // )
+ // }
+
+}
+