040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 97f4dad3063d849c84d98ef4c682ad58926f519a	main
040000 tree 70bb8f426d9e1a5434e1216c6138dfd9749637c9	test