{"height":"190","version":"1.0","url":"https://osyo-manga.hatenadiary.org/entry/20111214/1323858919","title":"template \u3067 T&&","description":"rvalue reference \u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u3068\u304b\u3001\u3053\u3053\u3068\u304b\u3001\u3053\u3053\u3089\u8fba\u306b\u8a73\u3057\u304f\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002 \u3055\u3066\u3001rvalue reference \u3067\u3059\u304c\u3001\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\u6b21\u306e\u69d8\u306a\u6319\u52d5\u306b\u306a\u308a\u307e\u3059\u3002 int n = 0; int&& x1 = 0; int&& x2 = n; // error \u3053\u308c\u306f\u95a2\u6570\u3067\u53d7\u3051\u53d6\u308b\u5834\u5408\u3082\u540c\u69d8\u3067\u3001 void func(int&&){} func(0); func(n); // error \u3053\u306e\u3088\u3046\u306b lvalue \u3067\u53d7\u3051\u53d6\u308b\u4e8b\u306f\u51fa\u6765\u307e\u305b\u3093\u3002 \u305f\u3060\u3057\u3001template \u5f15\u6570\u3067\u53d7\u3051\u53d6\u308b\u5834\u5408\u306f\u3053\u308c\u306b\u9650\u3089\u305a\u3001 template<typename T> void T_func(T&\u2026","image_url":null,"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/osyo-manga/","type":"rich","provider_url":"https://hatena.blog","width":"100%","published":"2011-12-14 19:35:19","author_name":"osyo-manga","categories":["C++"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fosyo-manga.hatenadiary.org%2Fentry%2F20111214%2F1323858919\" title=\"template \u3067 T&amp;&amp; - C++\u3067\u30b2\u30fc\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://osyo-manga.hatenadiary.org/","blog_title":"C++\u3067\u30b2\u30fc\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"}