TabWriteSliceOfStructs.go

func TabWriteSliceOfStructs[E any](w io.Writer, d []E) error {
	t := reflect.TypeOf(d).Elem()
	for i := 0; i < t.NumField(); i++ {
		if i > 0 {
			if _, err := w.Write([]byte{'\t'}); err != nil {
				return err
			}
		}
		if _, err := w.Write([]byte(t.Field(i).Name)); err != nil {
			return err
		}
	}
	if _, err := w.Write([]byte{'\n'}); err != nil {
		return err
	}

	for _, dd := range d {
		v := reflect.ValueOf(dd)
		for i := 0; i < v.NumField(); i++ {
			if i > 0 {
				if _, err := w.Write([]byte{'\t'}); err != nil {
					return err
				}
			}
			if _, err := w.Write([]byte(fmt.Sprint(v.Field(i).Interface()))); err != nil {
				return err
			}
		}
		if _, err := w.Write([]byte(b.String())); err != nil {
			return err
		}
		if _, err := w.Write([]byte{'\n'}); err != nil {
			return err
		}
	}

	return nil
}