{"height":"190","published":"2022-02-08 00:00:00","categories":["C++"],"blog_url":"https://yohhoy.hatenadiary.jp/","width":"100%","blog_title":"yohhoy\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20220208%2Fp1\" title=\"\u30b3\u30f3\u30bb\u30d7\u30c8\u5b9a\u7fa9\u3078\u306e\u5c5e\u6027\u6307\u5b9a - yohhoy\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>","description":"C++20\u8a00\u8a9e\u4ed5\u69d8\u3067\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c8\u5b9a\u7fa9\u306b\u5bfe\u3057\u3066\u5c5e\u6027(attribute)\u3092\u6307\u5b9a\u3067\u304d\u306a\u3044\u3002 2024-08-13\u8ffd\u8a18\uff1a\u672c\u4ef6\u306fCWG 2428\u3067C++20 DR\u3068\u3057\u3066\u4fee\u6b63\u3055\u308c\u3001\u30b3\u30f3\u30bb\u30d7\u30c8(concept)\u306b\u5bfe\u3059\u308bdeprecated\u5c5e\u6027\u6307\u5b9a\u304c\u8a31\u53ef\u3055\u308c\u308b\u3002\u5c5e\u6027\u6307\u5b9a\u4f4d\u7f6e\u306b\u6ce8\u610f\u3002 // OK: CWG 2428\u9069\u7528\u5f8c template <typename T> concept C [[deprecated(\"concept\")]] = /*...*/; template <typename T> [[deprecated(\"concept\")]] // NG: ill-formed concept C \u2026","author_url":"https://blog.hatena.ne.jp/yohhoy/","version":"1.0","image_url":null,"provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","author_name":"yohhoy","title":"\u30b3\u30f3\u30bb\u30d7\u30c8\u5b9a\u7fa9\u3078\u306e\u5c5e\u6027\u6307\u5b9a","url":"https://yohhoy.hatenadiary.jp/entry/20220208/p1"}