040000 tree 8ec66220b64ea88f961839fe1052a099b5a77055	assertions
040000 tree 3b6b0e6627e5b8492f5920ca783ef97de29b12b6	diagnostics.general
040000 tree 7496e5af24322acf0dcb62be36165ff141b17bf0	errno
040000 tree 5d45237c56a23930b77592aae051fd253ebb7330	std.exceptions
040000 tree 4a5541cdaf954d5d4eaed80fd562d05608ad7aa6	syserr