040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 4262056eb7ff066fad97e8fc74808c651cfa0677	library_desugar
040000 tree af83c905b545cc51671752c70cb7e7456380779d	main
040000 tree 3fe3fb33e6edd0fc94d5792a89110adce4ba740f	test