040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 2acd0bfa206510dcc497e65088c05a761adf4148	library_desugar
040000 tree da34785131133705e8cab3ab284711af2d090fdf	main
040000 tree 169b1cd45254618b44a41fca0a3d4e231557cf2a	test