並前往https://kira912.pixnet.net/blog/post/192923873-%E3%80%90ruby%E5%A4%AB%E4%BA%BA-%E5%90%83%E3%80%82%E5%81%9A%E3%80%82%E8%B2%B7%E3%80%91%E5%98%89%E7%BE%A9%7C%E8%81%9A%E6%9C%83%E7%94%A8%E9%A4%90%E3%80%81%E9%A3%9F%E5%93%81