040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree d501d4354a062dc581240d963a21ef727106b86c	main
040000 tree 40c8c27c2d22507a47e38b968b6500979e313ba3	test