040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree f5f676a408612470c536e777f85778356374ebf8	library_desugar
040000 tree 2cbf64dc12ea9f1a83e9e962bbde89a489e5f97e	main
040000 tree c217121997652688e08d961a6ba9d39d2f059bb7	test