{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgiarrium.hatenablog.com%2Fentry%2F2021%2F07%2F31%2F205512\" title=\"53\u65e5\u76ee  - \u305c\u306e\u305c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":["Swift"],"author_name":"gurrium","height":"190","blog_url":"https://giarrium.hatenablog.com/","provider_name":"Hatena Blog","blog_title":"\u305c\u306e\u305c","width":"100%","published":"2021-07-31 20:55:12","author_url":"https://blog.hatena.ne.jp/gurrium/","url":"https://giarrium.hatenablog.com/entry/2021/07/31/205512","type":"rich","description":"\u65e5\u8a18 \u6628\u65e5\u306f\u4f1a\u793e\u306e\u4eba\u3068\u30aa\u30f3\u30e9\u30a4\u30f3\u306e\u307f\u3092\u3057\u3066\u3044\u305f\u3089\u3044\u3064\u306e\u9593\u306b\u304b\u65e5\u4ed8\u304c\u5909\u308f\u3063\u3066\u3044\u305f\u306e\u3067\u4f11\u3093\u3060\uff0e\u4eca\u65e5\u306f\u3054\u306f\u3093\u708a\u304d\u306a\u304c\u3089\u66f8\u3044\u3066\u305f\u3089\u4f8b\u306e\u653e\u9001\u304c\u59cb\u307e\u3063\u305f\u306e\u3067\u6025\u3044\u3067\u5207\u308a\u4e0a\u3052\u3066\u3044\u308b\uff0e \u6628\u65e5\u306e\u7537\u5b50\u30a8\u30da\u56e3\u4f53\u306f\u6700\u9ad8\u3060\u3063\u305f\uff0e \u4eca\u65e5\u66f8\u3044\u305f\u30b3\u30fc\u30c9 class Sup { var name: String? init() {} init?(name: String) { if name.isEmpty { return nil } self.name = name } } class Sub: Sup { // Failable initializer 'init()' cannot override a non-fail\u2026","title":"53\u65e5\u76ee ","version":"1.0","provider_url":"https://hatena.blog"}