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Diffstat (limited to 'tests/patmat/t3097.scala')
-rw-r--r-- | tests/patmat/t3097.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/patmat/t3097.scala b/tests/patmat/t3097.scala new file mode 100644 index 000000000..3ff61b3c7 --- /dev/null +++ b/tests/patmat/t3097.scala @@ -0,0 +1,35 @@ +sealed trait ISimpleValue + +sealed trait IListValue extends ISimpleValue { + def items: List[IAtomicValue[_]] +} + +sealed trait IAtomicValue[O] extends ISimpleValue { + def data: O +} + +sealed trait IAbstractDoubleValue[O] extends IAtomicValue[O] { +} + +sealed trait IDoubleValue extends IAbstractDoubleValue[Double] + +case class ListValue(val items: List[IAtomicValue[_]]) extends IListValue + +class DoubleValue(val data: Double) extends IDoubleValue { + def asDouble = data +} + +object Test { + + /** + * @param args the command line arguments + */ + def main(args: Array[String]): Unit = { + val v: ISimpleValue = new DoubleValue(1) + v match { + case m: IListValue => println("list") + case a: IAtomicValue[_] => println("atomic") + } + + } +}
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