{"author_url":"https://blog.hatena.ne.jp/osyo-manga/","url":"https://secret-garden.hatenablog.com/entry/2019/12/04/194134","provider_url":"https://hatena.blog","version":"1.0","blog_title":"Secret Garden(Instrumental)","provider_name":"Hatena Blog","blog_url":"https://secret-garden.hatenablog.com/","author_name":"osyo-manga","description":"\u4e00\u4eba C++20 Advent Calendar 2019 4\u65e5\u76ee\u306e\u8a18\u4e8b\u306b\u306a\u308a\u307e\u3059\u3002 friend\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u5185\u304b\u3089\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u7528\u3057\u3066\u975e\u516c\u958b\u30e1\u30f3\u30d0\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u8a31\u53ef C++17 \u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b friend \u3057\u305f\u95a2\u6570\u5185\u3067\u69cb\u9020\u5316\u675f\u7e1b\u3092\u7d4c\u7531\u3057\u3066 private \u306a\u30e1\u30f3\u30d0\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4e8b\u306f\u51fa\u6765\u307e\u305b\u3093\u3067\u3057\u305f\u3002 struct user{ user(std::string const& name, int age) : name(name) , age(age){} friend void view(user const& u); private: std::string name; \u2026","width":"100%","published":"2019-12-04 19:41:34","categories":["C++","C++20"],"image_url":null,"type":"rich","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2019%2F12%2F04%2F194134\" title=\"\u3010\u4e00\u4eba C++20 Advent Calendar 2019\u3011friend\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u5185\u304b\u3089\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u7528\u3057\u3066\u975e\u516c\u958b\u30e1\u30f3\u30d0\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u8a31\u53ef\u30104\u65e5\u76ee\u3011 - Secret Garden(Instrumental)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u3010\u4e00\u4eba C++20 Advent Calendar 2019\u3011friend\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u5185\u304b\u3089\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u7528\u3057\u3066\u975e\u516c\u958b\u30e1\u30f3\u30d0\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u8a31\u53ef\u30104\u65e5\u76ee\u3011"}