{"description":"Swift\u306eguard\u306f\u975e\u5e38\u306b\u4fbf\u5229\u3067\u8ce2\u3044\u4ed5\u7d44\u307f\u3067\u3059\u304c\u3001\u305d\u306e\u6027\u8cea\u4e0a Ruby\u306e unless \u306a\u3069\u3068\u6df7\u540c\u3055\u308c\u3066\u3057\u307e\u3044\u3001\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u308b\u3068\u8aa4\u89e3\u3055\u308c\u304c\u3061\u3067\u3059\u3002 \u304a\u305d\u3089\u304f\u3001guard\u3092\u96e3\u3057\u304f\u611f\u3058\u3066\u3044\u308b\u4eba\u306f\u3053\u306e\u3088\u3046\u306a\u8aad\u307f\u65b9\u3092\u3057\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u305f\u3057\u304b\u306b\u3053\u308c\u3067\u306f\u6761\u4ef6\u5f0f\u3092\u8aad\u89e3\u3057\u305f\u4e0a\u3067\u3001else\u3067\u305d\u306e\u6761\u4ef6\u304c\u5426\u5b9a\u3059\u308b\u305f\u3081\u96e3\u3057\u304f\u611f\u3058\u308b\u3067\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001 guard !userClient.isLoggedIn else { // \u30ed\u30b0\u30a4\u30f3\u6e08\u307f\u6642\u306e\u51e6\u7406 return } // \u672a\u30ed\u30b0\u30a4\u30f3\u6642\u306e\u51e6\u7406 \u3068\u3044\u3063\u305f\u30b3\u30fc\u30c9\u306e\u5834\u5408\u3001isLoggedIn\u306e !isLoggedIn \u306e else \u3068\u8aad\u3093\u3067\u3057\u307e\u3046\u305f\u3081\u3001\u300c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\"\u2026","blog_url":"https://fromatom.hatenablog.com/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/F/FromAtom/20260203/20260203112936.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffromatom.hatenablog.com%2Fentry%2F2026%2F02%2F03%2F120349\" title=\"Swift\u306e`guard`\u3092\u8aad\u307f\u3084\u3059\u304f\u3059\u308b\u30b3\u30c4 - \u6587\u5b57\u3063\u307d\u3044\u306e\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2026-02-03 12:03:49","author_name":"FromAtom","author_url":"https://blog.hatena.ne.jp/FromAtom/","title":"Swift\u306e`guard`\u3092\u8aad\u307f\u3084\u3059\u304f\u3059\u308b\u30b3\u30c4","url":"https://fromatom.hatenablog.com/entry/2026/02/03/120349","blog_title":"\u6587\u5b57\u3063\u307d\u3044\u306e\u3002","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","type":"rich","version":"1.0","height":"190","width":"100%","categories":[]}