040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 50ce3a7c5ddd76c33c505c646753c17ddcaa34dc	main
040000 tree 22749767b8aa24bf495d94166fdb63f02957c4b9	test