{"published":"2007-01-01 03:19:53","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fharu-s.hatenablog.com%2Fentry%2F20070101%2F1167589193\" title=\" \u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf - ...ing logging 4.0\" 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","blog_title":"...ing logging 4.0","width":"100%","author_name":"haru-s","author_url":"https://blog.hatena.ne.jp/haru-s/","type":"rich","categories":["C++"],"height":"190","title":" \u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf","description":"\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u8aac\u660e\u6587\u3092\u66f8\u304f\u305f\u3081\u306b\uff0c\u305d\u306e\u6bd4\u8f03\u76f8\u624b\u3068\u3057\u3066C++\u306e\u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u52c9\u5f37\u3057\u76f4\u3057\u305f\uff0e \u3068\u3044\u3046\u304b\uff0c\u521d\u3081\u3066\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u305f\u304b\u3082\u3057\u308c\u3093\uff0e \u306a\u3093\u3066\u308f\u304b\u308a\u306b\u304f\u3044\u3093\u3060\uff0c\u3053\u3084\u3064\u306f\uff0e \u3064\u3044\u3067\u306b\uff0c\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u307f\u305f\u3044\u306a\u306e\u3067\u305d\u308c\u306e\u30c6\u30b9\u30c8\u3082\u3057\u3066\u307f\u308b\u30c6\u30b9\u30c8\uff0e #include <iostream> using namespace std; class A { public: virtual void run() { cout << \"A::run()\" << endl; } }; class B : public A { public: virtual void run() { co\u2026","provider_url":"https://hatena.blog","url":"https://haru-s.hatenablog.com/entry/20070101/1167589193","blog_url":"https://haru-s.hatenablog.com/","provider_name":"Hatena Blog"}