040000 tree 8ec66220b64ea88f961839fe1052a099b5a77055	assertions
040000 tree 3b6b0e6627e5b8492f5920ca783ef97de29b12b6	diagnostics.general
040000 tree 7496e5af24322acf0dcb62be36165ff141b17bf0	errno
040000 tree 5d45237c56a23930b77592aae051fd253ebb7330	std.exceptions
040000 tree 604a2d47223eecc6e7c784db8ca8c69b98fee2eb	syserr