Method Errorf

share/cio/logger.go:44–46

(f string, args ...interface{})

}

func (l *Logger) Errorf(f string, args ...interface{}) error {
	return fmt.Errorf(l.prefix+": "+f, args...)
}

func (l *Logger) Fork(prefix string, args ...interface{}) *Logger {
	//slip the parent prefix at the front