import Data.Error
import Text => qualified join
-:: BM a b = {t :: a->b, f :: b->a, t2 :: A.c t:(t c a)->t c b, f2 :: A.c t:(t b c)->t a c}
+:: BM a b =
+ { t :: a->b
+ , f :: b->a
+ , t2 :: A.c t:(t c a)->t c b
+ , f2 :: A.c t:(t b c)->t a c
+ }
bm = {t = id, f = id, t2 = id, f2 = id}
:: Action b a
= eval (action :. whileContainerBelow action) s
= pure s
+opt :: (Action a b) -> Action a b
+opt (WhileContainerBelow b a) = WhileContainerBelow b (opt a)
+opt (Wait bm :. b) = opt (bm.f2 b)
+opt (a :. Wait bm) = opt (bm.t2 a)
+opt (a :. b) = opt a :. opt b
+opt x = x
+
+Start = opt (moveToShip :. wait :. moveDown)
//print :: (Action i f) [String] -> [String]
//print (MoveToShip _ _) s = ["Move to ship":s]
//print (MoveToQuay _ _) s = ["Move to quay":s]