040000 tree 07c322b481259bd393b62df3b4bff374ab377751	engine
040000 tree 119dbd55901b2654e8f8eb5767e24a8b391b5e97	intrinsics
040000 tree c2acaa258b23929ea7e79787a68fd3e0a6b76298	prelude
040000 tree 853563dacf8d3df419189b18ffeebf85437dfad8	stdlib