{"provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkuukaix.hatenablog.com%2Fentry%2F2021%2F02%2F27%2F071728\" title=\"\u7d99\u627f - kuukaix\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u7d99\u627f","author_url":"https://blog.hatena.ne.jp/kuukaix/","height":"190","author_name":"kuukaix","type":"rich","url":"https://kuukaix.hatenablog.com/entry/2021/02/27/071728","description":"/* \u7d99\u627f */ class Vehicle { var numberOfWheels: Int? var maxPassengers: Int? init() { } func description() -> String { // return \"numberOfWheels = \\(numberOfWheels), maxPassengers = \\(maxPassengers)\" // warning: string interpolation produces a debug description for an optional value; did you mean to ma\u2026","published":"2021-02-27 07:17:28","version":"1.0","categories":["Swift"],"image_url":null,"provider_url":"https://hatena.blog","blog_title":"kuukaix\u306e\u65e5\u8a18","width":"100%","blog_url":"https://kuukaix.hatenablog.com/"}