040000 tree 6046abfc3c4b28aaac8eae30d4fd3986dad680b9	cons
100644 blob eae8f8cd69fec93fb84ccc20f1f8ced71193f52c	hash.cc
040000 tree 8dc393e5e43e56c7dae7f9a81aa8314c748fdd4a	modifiers
040000 tree 27789eb8ab6ea733a0624294b6d34eae14c6ed86	operators