-- | Set the value of a list of co-ordinates.
set :: Board p -> [(Int, Int)] -> Maybe p -> Board p
set b coords = B.set b (map tupleToRepaCoords coords)
set :: Board p -> [(Int, Int)] -> Maybe p -> Board p
set b coords = B.set b (map tupleToRepaCoords coords)
set b coords = B.set b (map tupleToRepaCoords coords)