040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 4cd7a853b2e65a2a942139a20061807f24fd883f	main
040000 tree d056bfa1400fc5683d46fabf54cacab3879dc8af	test