--- /dev/null
+definition module BinSearchTree\r
+\r
+import StdClass\r
+import BinTree\r
+\r
+is_geordend :: (BTree a) -> Bool | Ord a // meest algemene type\r
+is_gebalanceerd :: (BTree a) -> Bool | Ord a // meest algemene type\r
+insertTree :: a (BTree a) -> BTree a | Ord a
\ No newline at end of file