{"version":"1.0","description":"\u4ee5\u524d\u66f8\u3044\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u3044\u3066\u3001\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u3001\u3088\u308aC++\u3089\u3057\u304f\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3002 \u305d\u3053\u3067\u3001\u4ee5\u524d\u306f enum \u3067\u66f8\u3044\u3066\u3044\u305f\u3068\u3053\u308d\u3092 enum class \u3092\u4f7f\u3046\u3088\u3046\u306b\u3057\u305f\u3002 \u3057\u304b\u3057\u3001\u914d\u5217\u306e\u6dfb\u5b57\u3068\u3057\u3066\u4f7f\u304a\u3046\u3068\u3059\u308b\u3068\u305d\u306e\u307e\u307e\u3067\u306f\u4f7f\u3048\u306a\u3044\u306e\u3067\u3001\u30ad\u30e3\u30b9\u30c8\u3092\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u306a\u306e\u3067\u3001\u6b21\u306e\u3088\u3046\u306a\u611f\u3058\u3002 int value = color[static_cast<std::size_t>(Color::kRed)]; \u3057\u304b\u3057\u3001\u6bce\u56de\u30ad\u30e3\u30b9\u30c8\u3092\u66f8\u304f\u306e\u3082\u9762\u5012\u3002 C++23 \u4ee5\u964d\u306a\u3089\u3001std::to_underlying() \u3068\u3044\u3046\u306e\u304c\u4f7f\u3048\u308b\u3089\u3057\u3044\u3002 int value = color[std::t\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoburau.hatenablog.jp%2Fentry%2F2025%2F03%2F15%2F000000\" title=\"enum class - \u30b2\u30fc\u30e0\u304c\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u304c\u3093\u3070\u308b\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>","blog_title":"\u30b2\u30fc\u30e0\u304c\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u304c\u3093\u3070\u308b\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/toburau/","blog_url":"https://toburau.hatenablog.jp/","width":"100%","categories":["\u96d1\u8a18"],"published":"2025-03-15 00:00:00","height":"190","url":"https://toburau.hatenablog.jp/entry/2025/03/15/000000","title":"enum class","type":"rich","provider_url":"https://hatena.blog","author_name":"toburau","provider_name":"Hatena Blog","image_url":null}