040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 400d9f089153e75efd976d1e63fcee044bc37c95	library_desugar
040000 tree 22cb641fb59219923e97488f6a20b068595cdfb5	main
040000 tree ca201654ffeb724fe30d7199894ae58e92110f2a	test