code: func importJSONDataFromFile(fileName string, result interface{}) (isOK bool) {
  	isOK = true
  	content, err := ioutil.ReadFile(fileName)
  	if err != nil {
  		fmt.Print("Error:", err)
  		isOK = false
  	}
  	err = json.Unmarshal(content, result)
  	if err != nil {
  		isOK = false
  		fmt.Print("Error:", err)
  	}
  	return
  }
docs: //Helper function to import json from file to map