040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 9d19cd2851776c06fcb07673974d45dc76504727	main
040000 tree 369ea6dbb37196d7b218299015db04d072c1e798	test