040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 4e981e5138e4434fa63004165982b345fe539db5	main
040000 tree 5b5380b5724560c20701d6e224629823cfc61d9d	test