040000 tree 685c4f89d05e2bf0361685041605debdb6675c13	engine
040000 tree 16927538a54cc42f633e3924a76b0e88a15b0b1d	intrinsics
040000 tree c2acaa258b23929ea7e79787a68fd3e0a6b76298	prelude
040000 tree c8d4f5f22b2e5235f2a880befd2e6b0f0bc32616	stdlib