040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 9e73de8fa0086193fc77271b5ef998d81a22a392	main
040000 tree 55b3125d9c3c071d4bce9a588470cdc14aafc1c1	test