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-rw-r--r--tests/run/enum-approx.scala22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/run/enum-approx.scala b/tests/run/enum-approx.scala
new file mode 100644
index 000000000..7811b3909
--- /dev/null
+++ b/tests/run/enum-approx.scala
@@ -0,0 +1,22 @@
+enum class Fun[-T, +U >: Null] {
+ def f: T => U = null
+}
+object Fun {
+ case Identity[T, U >: Null](override val f: T => U) extends Fun[T, U]
+ case ConstNull {
+ override def f = x => null
+ }
+ case ConstNullClass() {
+ override def f = x => null
+ }
+ case ConstNullSimple
+}
+
+object Test {
+ def main(args: Array[String]) = {
+ val x: Null = Fun.ConstNull.f("abc")
+ val y: Null = Fun.ConstNullClass().f("abc")
+ assert(Fun.ConstNullSimple.f == null)
+ }
+}
+