040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree 25621f36cd82505a6077e5aa6fbba78ffb81b384	library_desugar
040000 tree 6927ac114792a6f7c0980eb01a4bbcdae0415c54	main
040000 tree d1bbbd11ad3e5afb5941a79560d15ff94aeafa1e	test