040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 72d6ca2766e6a0139a42a11d16945fe83b52fad0	main
040000 tree 1981f6a21b84922f60542a817480369082f9692b	test