040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree cc464b98149336a849055b6867442fd61b317f21	main
040000 tree f895bb6cce65436385fcab91ed582fb10aebb7a2	test