040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 60d3423fe86cf11d04080074f280c88896a54d1c	main
040000 tree e1c506ffcf40415da3db68f75a23ecab172a8cbd	test