> module GMap (mapList,mapListBTree,mapListBTreeList) where

> import BinTreeDatatype

> errorMsg = error "GMap test not yet implemented"

> mapList :: (a -> b) -> [a] -> [b]
> mapList = errorMsg

> mapListBTree :: (a -> b) -> [BinTree a] -> [BinTree b]
> mapListBTree = errorMsg

> mapListBTreeList :: (a -> b) -> [BinTree [a]] -> [BinTree [b]]
> mapListBTreeList = errorMsg