040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 11e0f671a273731bc3d0a01b6696e7c324f27290	main
040000 tree 3c7023f24c8b20f26113837d24050d3a996d37fc	test