040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree 93b4e128b328c61dd14772323a8e6d13df37e3f9	main
040000 tree c89953fcf4e0537784cbb7469675ac45c9830901	test