040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree cfb4aeec06c5cbde96117a72a904341de0e43636	main
040000 tree 6c8a2ac6469c887a85534f7c28e10fdabdd0e8c5	test