040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree c7bc58b908681e350e84f42210e0237ac223ac63	library_desugar
040000 tree 0dd40acb7a2af7fd2fd9668c8649257285f14240	main
040000 tree 31500e4b80f64af003285b5c15d3106dca4c0a0c	test