040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree b38bab1559426ef55077a86d19da20846f9fb58d	main
040000 tree 548442a74de2fdc51e4453b4d7977218d38a5ad9	test