040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree a2afb912f1921e763103db94599bb9b915187e9c	library_desugar
040000 tree a9441659e2548225725241908c42be491b036234	main
040000 tree 07884e77396a1c99baf946d930245199727ee51b	test