040000 tree 685c4f89d05e2bf0361685041605debdb6675c13	engine
040000 tree 91a89017844855ed177db4df15b5d23fd72bf63b	intrinsics
040000 tree c2acaa258b23929ea7e79787a68fd3e0a6b76298	prelude
040000 tree 719660a8d82607030e50dcb9f7f5f5348761fb76	stdlib