040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree f5f676a408612470c536e777f85778356374ebf8	library_desugar
040000 tree d870452de36ca7cbe3fe8321310aa0c3addd868b	main
040000 tree 5c4b7586bff2a317cd9b55ee1cc216c579719cd6	test