{"type":"rich","provider_name":"Hatena Blog","height":"190","width":"100%","url":"https://secret-garden.hatenablog.com/entry/2015/08/27/000000","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2015%2F08%2F27%2F000000\" title=\"std::reference_wrapper \u306e\u53c2\u7167\u5143\u306b T \u578b\u306e\u5024\u3092\u4ee3\u5165\u3059\u308b - 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>","version":"1.0","image_url":null,"categories":["C++"],"blog_url":"https://secret-garden.hatenablog.com/","blog_title":"Secret Garden(Instrumental)","published":"2015-08-27 00:00:00","author_url":"https://blog.hatena.ne.jp/osyo-manga/","title":"std::reference_wrapper \u306e\u53c2\u7167\u5143\u306b T \u578b\u306e\u5024\u3092\u4ee3\u5165\u3059\u308b","description":"std::reference_wrapper<T> \u306f std::ref() \u7b49\u3067\u8fd4\u3063\u3066\u304f\u308b\u30af\u30e9\u30b9\u306a\u3093\u3067\u3059\u304c\u3001\u53c2\u7167\u5143\u306b T \u578b\u306e\u5024\u3092\u4ee3\u5165\u3059\u308b\u3068\u304d\u306b\u3061\u3087\u3063\u3068\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u899a\u66f8\u3002 \u3055\u3066\u3001\u6b21\u306e\u3088\u3046\u306b std::reference_wrapper<int> \u3067\u4fdd\u6301\u3057\u3066\u3044\u308b\u53c2\u7167\u5143\u306b\u5bfe\u3057\u3066\u6574\u6570\u3092\u4ee3\u5165\u3059\u308b\u5834\u5408\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002 int a = 0; std::reference_wrapper<int> f = std::ref(a); f = 42; // \u30a8\u30e9\u30fc \u3053\u3046\u3044\u3046\u98a8\u306b\u53c2\u7167\u5143\u306b\u5bfe\u3057\u3066\u4ee3\u5165\u3092\u884c\u306a\u3044\u305f\u3044\u5834\u5408\u306f get() \u3092\u4ecb\u3057\u3066\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 int a = 0; std::ref\u2026","author_name":"osyo-manga","provider_url":"https://hatena.blog"}