040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 2956b001e77dbcd3916cde014eee0507ce979a7c	main
040000 tree 919902cd428fc2321590e4ad0950fee4e4069313	test