040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 490c64899c6281ccd7d1436a39f28074fed33a6f	main
040000 tree 2c053526642cd63bd708140b3b3da94586f866ff	test