040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 920987c1acd9b3e9696b7034b2d72c56ca7e68d6	main
040000 tree 51ca2105ba1ceb816f8d2ac937569673da8026a0	test