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