040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree f016209f695dad4bc20d65dc154940c7a7885a8a	library_desugar
040000 tree 4729cd182eaf838214477777511ba259f9bbd0a2	main
040000 tree 91a484e91ce32085a2440fc051319d4b7223c349	test