-- | A list of all directions, sans the interior and composite types.
all_directions :: [Cardinal]
all_directions = [L, R, F, B, D, T, FL, FR, FD, FT,
-- | A list of all directions, sans the interior and composite types.
all_directions :: [Cardinal]
all_directions = [L, R, F, B, D, T, FL, FR, FD, FT,