040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 4657679aced96dba757d27dbe5959761e24f1e27	main
040000 tree fa232199d7f3796109c4ceb3f8d6fe8fe6ddb4f6	test