module genericMap

import StdEnv, StdGeneric

generic gMap a b :: a -> b
gMap{|Int|}         x = x
gMap{|Real|}        x = x
gMap{|UNIT|}        x = x
gMap{|PAIR|}   f g (PAIR x y) = PAIR   (f x) (g y) 
gMap{|EITHER|} f g (LEFT x)   = LEFT   (f x)
gMap{|EITHER|} f g (RIGHT x)  = RIGHT  (g x)
gMap{|CONS|}   f   (CONS x)   = CONS   (f x)
gMap{|OBJECT|} f   (OBJECT x) = OBJECT (f x)

:: Bin a = Leaf | Bin (Bin a) a (Bin a)
t = Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 4 Leaf)
l = [1..7]

Start = (l, t)