convert

type RawBytes []byte

type Scanner interface {
	// Scan assigns a value from a database driver.
	//
	// The src value will be of one of the following types:
	//
	//    int64
	//    float64
	//    bool
	//    []byte
	//    string
	//    time.Time
	//    nil - for NULL values
	//
	// An error should be returned if the value cannot be stored
	// without loss of information.
	//
	// Reference types such as []byte are only valid until the next call to Scan
	// and should not be retained. Their underlying memory is owned by the driver.
	// If retention is necessary, copy their values before the next call to Scan.
	Scan(src interface{}) error
}