{"version":"1.0","blog_url":"https://dk521123.hatenablog.com/","type":"rich","author_name":"dk521123","published":"2025-12-03 00:08:31","image_url":"https://cdn.image.st-hatena.com/image/square/adad63b72f1d6545b2ba2538c3fc2923b2fd5989/backend=imagemagick;height=80;version=1;width=80/https%3A%2F%2Fcdn.blog.st-hatena.com%2Fimages%2Fcircle%2Fofficial-circle-icon%2Fcomputers.gif","categories":["Rust"],"url":"https://dk521123.hatenablog.com/entry/2025/12/03/000831","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F2025%2F12%2F03%2F000831\" title=\"\u3010Rust\u3011Rust \uff5e enum / \u5217\u6319\u578b \uff5e - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","title":"\u3010Rust\u3011Rust \uff5e enum / \u5217\u6319\u578b \uff5e","width":"100%","author_url":"https://blog.hatena.ne.jp/dk521123/","description":"\u25fe\ufe0f\u306f\u3058\u3081\u306b Rust \u3092\u52c9\u5f37\u3057\u3066\u3044\u3066\u3001\u4f8b\u3048\u3070\u3001Option\u578b\u3067\u306f\u3001 \u4ee5\u4e0b\u306e\u95a2\u9023\u8a18\u4e8b\u306e\u901a\u308a\u3001enum \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u305f\u3002 \u3069\u3046\u3082\u3001Rust\u306f\u3001C\u3084Java\u306a\u3069\u306e\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u6bd4\u3079\u3066\u3082 enum \u304c\u7570\u306a\u308a\u305d\u3046\u306a\u306e\u3067\u3001\u8abf\u3079\u3066\u307f\u305f Rust \uff5e Option\u578b \uff5e https://dk521123.hatenablog.com/entry/2025/12/01/223443 // enum\u306a\u3093\u3060\u3001\u3001\u3001\u3053\u3053\u306f\u3001Scala\u3068\u9055\u3046\u3001\u3001\u3001 enum Option<T> { Some(T), None, } \u76ee\u6b21 \u3010\uff11\u3011enum \uff11\uff09\u57fa\u672c\u7684\u306a\u5b9a\u7fa9\u65b9\u6cd5 \uff12\uff09Enum\u306e\u5024\u306e\u8a2d\u5b9a \u3010\uff12\u3011Rust\u306eenum\u306e\u7279\u5fb4 \u2026","height":"190","provider_url":"https://hatena.blog"}