040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 556d90a95515a007347c06b8caf2af1a1444fc00	library_desugar
040000 tree 55961d3fad517e1769f84637416bd8ddf689457c	main
040000 tree 67a18dce419c33ad33b507c5cef3e7d6403abf99	test