{"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftanihiro.hatenablog.com%2Fentry%2F2014%2F10%2F08%2F205814\" title=\"\u3010swift\u3011nil\u3068optional\u306a\u578b\u306e\u53d6\u308a\u6271\u3044 - tanihiro.log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","title":"\u3010swift\u3011nil\u3068optional\u306a\u578b\u306e\u53d6\u308a\u6271\u3044","author_url":"https://blog.hatena.ne.jp/w6500/","blog_url":"https://tanihiro.hatenablog.com/","provider_name":"Hatena Blog","image_url":null,"height":"190","url":"https://tanihiro.hatenablog.com/entry/2014/10/08/205814","type":"rich","categories":["iOS","swift"],"published":"2014-10-08 20:58:14","author_name":"w6500","blog_title":"tanihiro.log","version":"1.0","description":"nil\u306e\u6271\u3044 swift\u3067\u306f\u901a\u5e38\u3001\u5909\u6570\u3084\u5b9a\u6570\u306bnil\u306f\u4ee3\u5165\u3067\u304d\u307e\u305b\u3093\u3002 var hoge: String = nil let fuga: String = nil \u3053\u308c\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002 nil\u3092\u4ee3\u5165\u3059\u308b\u305f\u3081\u306b\u306f\u3001optional\u3067\u3042\u308b\u3053\u3068\u3092\u5ba3\u8a00\u3059\u308b\u305f\u3081\u306b\u578b\u306b?\u3092\u3064\u3051\u307e\u3059\u3002 var hoge: String? = nil let fuga: String? // \u4ee3\u5165\u3057\u306a\u304f\u3066\u3082\u521d\u671f\u5024\u306fnil \u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u969b \u5909\u6570\u3084\u5b9a\u6570\u3092optional\u306a\u578b\u3068\u3057\u3066\u5ba3\u8a00\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001 \u300c\u5fc5\u305a\u3057\u3082\u5024\u304c\u5165\u3063\u3066\u3044\u308b\u3068\u306f\u9650\u3089\u306a\u3044\uff08nil\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\uff09\u300d \u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002 \u305d\u306e\u72b6\u614b\u3067\u30e1\u30bd\u30c3\u30c9\u2026"}