040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 4366d6a20682a8b97a000c041dbe9452316b16e6	main
040000 tree 19e43d8f54659d199a65e2179d74f890cc747aea	test