tan

var (
	// ErrClosed is the error used to indicate that the db has already been closed
	ErrClosed = errors.New("db closed")
	// ErrNoBootstrap is the error used to indicate that there is no saved
	// bootstrap record
	ErrNoBootstrap = errors.New("no bootstrap info")
	// ErrNoState is the error indicating that there is no state record in the db
	ErrNoState = errors.New("no state record")
)

var (
	// ErrNotAnIOSeeker is returned if the io.Reader underlying a Reader does not implement io.Seeker.
	ErrNotAnIOSeeker = errors.New("reader does not implement io.Seeker")
	// ErrNoLastRecord is returned if LastRecordOffset is called and there is no previous record.
	ErrNoLastRecord = errors.New("no last record exists")
	// ErrZeroedChunk is returned if a chunk is encountered that is zeroed. This
	// usually occurs due to log file preallocation.
	ErrZeroedChunk = errors.New("zeroed chunk")
	// ErrInvalidChunk is returned if a chunk is encountered with an invalid
	// header, length, or checksum. This usually occurs when a log is recycled,
	// but can also occur due to corruption.
	ErrInvalidChunk = errors.New("invalid chunk")
	// ErrCRCMismatch is returned to indicate that CRC mismatch has been found.
	ErrCRCMismatch = errors.New("tan: crc mismatch")
)

var Factory = factory{}

var MultiplexedLogFactory = multiplexLogFactory{}