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Diffstat (limited to 'tests/pos/t247.scala')
-rw-r--r-- | tests/pos/t247.scala | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/pos/t247.scala b/tests/pos/t247.scala new file mode 100644 index 000000000..fdcafeb2c --- /dev/null +++ b/tests/pos/t247.scala @@ -0,0 +1,26 @@ +class Order[t](less:(t,t) => Boolean,equal:(t,t) => Boolean) {} + +trait Map[A, B] extends scala.collection.Map[A, B] { + val factory:MapFactory[A] +} +abstract class MapFactory[A] { + def Empty[B]:Map[A,B]; +} + +class TreeMapFactory[KEY](newOrder:Order[KEY]) extends MapFactory[KEY] { + val order = newOrder; + def Empty[V] = new TreeMap[KEY,V](new TreeMapFactory[KEY](order)); +} + +class Tree[KEY,Entry](order:Order[KEY]) { + def size =0; +} + +class TreeMap[KEY,VALUE](_factory:TreeMapFactory[KEY]) extends Tree[KEY,Tuple2[KEY,VALUE]](_factory.order) with scala.collection.DefaultMap[KEY, VALUE] with Map[KEY, VALUE] { + val factory = _factory + val order = _factory.order; + def this(newOrder:Order[KEY]) = this(new TreeMapFactory[KEY](newOrder)); + def get(key:KEY) = null; + def iterator:Iterator[Tuple2[KEY,VALUE]] = null; + override def size = super[Tree].size +} |