040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 560f579dc7c7120ccaff25121985e95bc57544f1	main
040000 tree ea94681ddbea0e9dcbdf10d170851fbca43357e8	test