{"blog_title":"yukia blog","image_url":null,"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"Swift\u306eOptional\u3068\u604b\u4eba\u4ee5\u4e0a\u306e\u95a2\u4fc2\u306b\u306a\u308a\u305f\u3044\uff08\u305d\u306e\uff11\uff09","description":"\u306f\u3058\u3081\u306b Swift\u306eOptional\u306b\u3064\u3044\u3066\u3001\u3053\u3093\u306a\u8a8d\u8b58\u304c\u3042\u308a\u307e\u3057\u305f\u3002 Int? \u306f Int \u304c\u5165\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3057nil\u304c\u5165\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u578b \u3053\u308c\u3060\u3051\u306e\u8a8d\u8b58\u3067\u3082Swift\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u5341\u5206\u53ef\u80fd\u3060\u3068\u601d\u3044\u307e\u3059\u3002 Optional Binding\u3084Optional Chaining\u3092\u4f7f\u3044\u3053\u306a\u305b\u308c\u3070\u3001Optional\u3068\u53cb\u9054\u4ee5\u4e0a\u604b\u4eba\u672a\u6e80\u306e\u95a2\u4fc2\u306b\u306a\u3063\u305f\u3068\u8a00\u3063\u3066\u3044\u3044\u3067\u3057\u3087\u3046\u3002 \u305f\u3060\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u6e80\u8db3\u3057\u304d\u308c\u306a\u3044\u3001\u3082\u3063\u3068Optional\u306e\u3053\u3068\u3092\u77e5\u308a\u305f\u3044\uff01\u604b\u4eba\u4ee5\u4e0a\u306e\u95a2\u4fc2\u306b\u306a\u308a\u305f\u3044\uff01\u3068\u601d\u3046\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u3002 Optional\u306e\u5b9a\u7fa9 Optional\u306e\u5b9a\u7fa9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002\uff08\u3044\u308d\u3044\u308d\u7701\u3044\u3066\u3044\u307e\u3059\u3002 publ\u2026","blog_url":"https://yukiasai.hatenablog.jp/","type":"rich","categories":[],"url":"https://yukiasai.hatenablog.jp/entry/2015/10/09/130556","author_name":"yukiasai","version":"1.0","height":"190","published":"2015-10-09 13:05:56","width":"100%","author_url":"https://blog.hatena.ne.jp/yukiasai/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyukiasai.hatenablog.jp%2Fentry%2F2015%2F10%2F09%2F130556\" title=\"Swift\u306eOptional\u3068\u604b\u4eba\u4ee5\u4e0a\u306e\u95a2\u4fc2\u306b\u306a\u308a\u305f\u3044\uff08\u305d\u306e\uff11\uff09 - yukia blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}