040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 952a1949588f2c960f25a48fb8df106fff79235a	main
040000 tree a6f7e61ae3c992d18b829428235b657c1c773790	test