040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 6d5ddb233ecb4908a144845c581cda56fbb24319	main
040000 tree 141430475040457ba95474c129dceccc721315c6	test