Method WriteString

dumpling/export/writer_util.go:532–538

WriteString implements io.StringWriter. It check whether writer has written something and init a file at first time

(str string)

// WriteString implements io.StringWriter. It check whether writer has written something and init a file at first time
func (l *LazyStringWriter) WriteString(str string) (int, error) {
	l.Do(func() { l.err = l.initRoutine() })
	if l.err != nil {
		return 0, errors.Errorf("open file error: %s", l.err.Error())
	}
	return l.StringWriter.WriteString(str)
}

type writerError struct {
	error