040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree c7bc58b908681e350e84f42210e0237ac223ac63	library_desugar
040000 tree b2e43634322c829b7e94e106124acf3d719123b0	main
040000 tree 666adeb8c7783ec82a130967527ec439c69dab9e	test