{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.aipacommander.com%2Fentry%2F2015%2F12%2F28%2F124125\" title=\"\u3010Swift\u3011Optional\u578b\u3092\u7406\u89e3\u3057\u305f\u3044 - IT\u306e\u968a\u9577\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u3044\u307e\u3044\u3061\u30d4\u30f3\u3068\u304d\u3066\u3044\u306a\u3044\u3002\u3068\u308a\u3042\u3048\u305a\u30ed\u30b0\u3092\u30e1\u30e2 let first: [String] = [\"10\", \"20\"] // \u8db3\u3057\u7b97\u3059\u308b // \u3067\u3082\u5f53\u305f\u308a\u524d\u3060\u304c\u3001\u578b\u304c\u9055\u3046\u306e\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b // main.swift:6:25: error: cannot convert value of type 'String' to expected argument type 'Int' //let result1: Int = first[0] + first[1] // \u30ad\u30e3\u30b9\u30c8\u3057\u3066\u3042\u3052\u308b // \u3057\u304b\u3057\u305d\u308c\u3067\u3082\u30a8\u30e9\u30fc\u3068\u306a\u308b // main.swift:12:20: error: value of op\u2026","width":"100%","blog_title":"IT\u306e\u968a\u9577\u306e\u30d6\u30ed\u30b0","url":"https://www.aipacommander.com/entry/2015/12/28/124125","categories":["Swift"],"blog_url":"https://www.aipacommander.com/","published":"2015-12-28 12:41:25","title":"\u3010Swift\u3011Optional\u578b\u3092\u7406\u89e3\u3057\u305f\u3044","author_url":"https://blog.hatena.ne.jp/aipacommander/","provider_url":"https://hatena.blog","version":"1.0","height":"190","provider_name":"Hatena Blog","author_name":"aipacommander","image_url":"http://cdn.mogile.archive.st-hatena.com/v1/image/aipacommander/297789129598967254.gif","type":"rich"}