040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 4ffdf178f443557141c9f5ca10e304ad641135f5	main
040000 tree 44a1f6b814235b243d9ec40592e36905822372c8	test