Function stdTagFunc

pkg/util/fasttemplate/template.go:195–210

(w io.Writer, tag string, m map[string]interface{})

}

func stdTagFunc(w io.Writer, tag string, m map[string]interface{}) (int, error) {
	v := m[tag]
	if v == nil {
		return 0, nil
	}
	switch value := v.(type) {
	case []byte:
		return w.Write(value)
	case string:
		return w.Write([]byte(value))
	case TagFunc:
		return value(w, tag)
	default:
		return 0, fmt.Errorf("tag=%q contains unexpected value type=%#v. Expected []byte, string or TagFunc", tag, v)
	}
}