040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree a0a806514da2451b2f60b8212fb10e69c01c24fd	main
040000 tree 5c4853849622d2d72639e7d8d36d65425f23efc2	test