{"description":"\u306f\u3058\u3081\u306b Rust \u3067 Option \u3084 Result \u304b\u3089\u5024\u3092\u53d6\u308a\u51fa\u3059\u3068\u304d\u3001\u3064\u3044 .unwrap() \u3092\u66f8\u3044\u3066\u3057\u307e\u3046\u5834\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u52d5\u304f\u3057\u77ed\u3044\u3002\u3060\u304b\u3089\u66f8\u304f\u3002\u3060\u3051\u3069\u305d\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30a8\u30e9\u30fc\u6642\u306b\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306a\u3057\u3067 panic \u3057\u307e\u3059\u3002\u672c\u756a\u3067\u8e0f\u3080\u3068 \u300c\u3069\u3053\u3067\u4f55\u306e\u7406\u7531\u3067\u6b7b\u3093\u3060\u306e\u304b\u300d \u304c\u308f\u304b\u3089\u306a\u3044\u4e8b\u6545\u306b\u306a\u308a\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u306f\u3001.unwrap() \u3092\u66f8\u304d\u305f\u304f\u306a\u3063\u305f\u77ac\u9593\u306e\u4ee3\u66ff\u6848\u30928\u500b\u4e26\u3079\u307e\u3059\u3002\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002 \u524d\u63d0: \u306a\u305c unwrap() \u306f \u826f\u304f\u306a\u3044\u304b .unwrap() \u306e\u554f\u984c\u306f3\u3064\u3067\u3059\u3002 panic \u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u300ccalled \\Option::unwrap()` on a `None\u2026","blog_url":"https://syu-m-5151.hatenablog.com/","image_url":null,"width":"100%","author_name":"syu-m-5151","blog_title":"\u3058\u3083\u3042\u3001\u304a\u3046\u3061\u3067\u5b66\u3079\u308b ","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsyu-m-5151.hatenablog.com%2Fentry%2F2026%2F05%2F01%2F195115\" title=\"`unwrap()` \u3092\u66f8\u304d\u305d\u3046\u306b\u306a\u3063\u305f\u3068\u304d\u306e\u9078\u629e\u80a28\u3064 - \u3058\u3083\u3042\u3001\u304a\u3046\u3061\u3067\u5b66\u3079\u308b \" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/syu-m-5151/","url":"https://syu-m-5151.hatenablog.com/entry/2026/05/01/195115","title":"`unwrap()` \u3092\u66f8\u304d\u305d\u3046\u306b\u306a\u3063\u305f\u3068\u304d\u306e\u9078\u629e\u80a28\u3064","provider_url":"https://hatena.blog","published":"2026-05-01 19:51:15","categories":["Rust"],"provider_name":"Hatena Blog","height":"190"}