040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree f25e1d0e6bba1a807465758cb535f4907e6add8b	main
040000 tree f6f889f4defcf493ee2c733556079fcb27be421c	test