{"provider_url":"https://hatena.blog","height":"190","version":"1.0","published":"2025-03-19 03:50:20","description":"C++17\u4ee5\u964d\u306b\u306f\u5024\u306e\u30b3\u30d4\u30fc\u7701\u7565 (cpprefjp)\u3042\u308b\u3044\u306f\u72ed\u7fa9\u306eRVO\u3068\u547c\u3070\u308c\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u5909\u6570\u306b\u4ee3\u5165\u3055\u308c\u3066\u3044\u306a\u3044\u5024\u3092\u623b\u308a\u5024\u306b\u3059\u308b\u3068\u30b3\u30d4\u30fc*1\u304c\u7701\u7565\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u3063\u3066\u306f\u5909\u6570\u306b\u4ee3\u5165\u3057\u305f\u5024\u3092\u623b\u308a\u5024\u306b\u3057\u3066\u3082\u30b3\u30d4\u30fc\u3092\u7701\u7565\u3059\u308bNRVO\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002 \u4e00\u65b9\u3001C# (.NET 9)\u306f\u78ba\u8a8d\u3057\u305f\u7bc4\u56f2\u3067\u30b3\u30d4\u30fc\u7701\u7565\u304c\u3042\u308a\u307e\u305b\u3093\u3002Guid\u578b\u3092\u591a\u6570\u542b\u3080\u3088\u3046\u306a\u5de8\u5927\u306a\u69cb\u9020\u4f53\u3082return\u306e\u5ea6\u306b\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002\u500b\u3005\u306e\u30b3\u30d4\u30fc\u306f\u4e00\u77ac\u3067\u3059\u304c\u3001\u30eb\u30fc\u30d7\u51e6\u7406\u3067\u7e70\u308a\u8fd4\u3057\u30b3\u30d4\u30fc\u3055\u308c\u308b\u5834\u5408\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u305d\u3046\u3067\u3059\u3002 \u4e0a\u8a18\u306e\u5dee\u7570\u306f\u8a2d\u8a08\u601d\u60f3\u306b\u3088\u308b\u3082\u306e\u3060\u3068\u601d\u3044\u307e\u3059\u3002C#\u306f\u57fa\u672c\u7684\u306b\u53c2\u7167\u578b\u306e\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u3066\u304a\u308a\u3001\u5024\u578b\u3067\u3042\u308b\u69cb\u9020\u4f53\u306f\u7a4d\u6975\u2026","title":"C# C++\u306b\u306f\u3042\u3063\u3066C#\u306b\u306f\u306a\u3055\u305d\u3046\u306a\u5024\u306e\u30b3\u30d4\u30fc\u7701\u7565\uff08RVO\uff09","blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","url":"https://potisan-programming-memo.hatenablog.jp/entry/2025/03/19/035020","image_url":null,"provider_name":"Hatena Blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2025%2F03%2F19%2F035020\" title=\"C# C++\u306b\u306f\u3042\u3063\u3066C#\u306b\u306f\u306a\u3055\u305d\u3046\u306a\u5024\u306e\u30b3\u30d4\u30fc\u7701\u7565\uff08RVO\uff09 - potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\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>","categories":["C#"],"author_name":"potisan","blog_url":"https://potisan-programming-memo.hatenablog.jp/","type":"rich","author_url":"https://blog.hatena.ne.jp/potisan/"}