040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 8e383d325b0afeaf87944fe27bf8ff8b9b0a1b0d	main
040000 tree 225869c3a38fc16405876852e7c65900e9bcbad0	test