https://blog.faceutil.com/2017/04/06/%eb%a6%ac%eb%b2%84%ec%8a%a4-%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%eb%a7%81-%ec%8a%a4%ed%84%b0%eb%94%94-3%ed%8e%b8-%ec%9d%b8%eb%9d%bc%ec%9d%b8-%ec%bd%94%eb%93%9c-%ed%8c%a8%ec%b9%98inline-code-patch/