{"provider_name":"Hatena Blog","description":"C++11\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u65b0\u3057\u304f\u8ffd\u52a0\u3055\u308c\u305fstd::forward_list\u30b7\u30fc\u30b1\u30f3\u30b9\u30b3\u30f3\u30c6\u30ca\u306f\u3001\u8981\u7d20\u6570\u3092\u8fd4\u3059size\u30e1\u30f3\u30d0\u95a2\u6570\u3092\u63d0\u4f9b\u3057\u306a\u3044\u3002\uff08\u7a7a\u5224\u5b9a\u306eempty\u30e1\u30f3\u30d0\u95a2\u6570\u306f\u63d0\u4f9b\u3055\u308c\u308b\u3002\uff09 #include <forward_list> std::forward_list<int> fl = /*...*/; size_t n = fl.size(); // NG: ill-formed // OK: \u8a08\u7b97\u91cfO(n)\u3067\u8981\u7d20\u6570\u3092\u8a08\u7b97 #include <iterator> size_t n = std::distance(fl.begin(), fl.end()); C++11(N3337) 2\u2026","height":"190","title":"forward_list\u306fsize\u30e1\u30f3\u30d0\u95a2\u6570\u3092\u6301\u305f\u306a\u3044","author_url":"https://blog.hatena.ne.jp/yohhoy/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20150214%2Fp1\" title=\"forward_list\u306fsize\u30e1\u30f3\u30d0\u95a2\u6570\u3092\u6301\u305f\u306a\u3044 - 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>","author_name":"yohhoy","image_url":null,"categories":["C++"],"blog_title":"yohhoy\u306e\u65e5\u8a18","width":"100%","blog_url":"https://yohhoy.hatenadiary.jp/","published":"2015-02-14 00:00:00","url":"https://yohhoy.hatenadiary.jp/entry/20150214/p1","version":"1.0","provider_url":"https://hatena.blog"}