{"published":"2021-12-16 00:10:56","author_url":"https://blog.hatena.ne.jp/shinya_game_app/","url":"https://flat-leon.hatenablog.com/entry/nim_dynamic_cast","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fflat-leon.hatenablog.com%2Fentry%2Fnim_dynamic_cast\" title=\"\u3010Nim \u5c0f\u30cd\u30bf\u3011C++\u306edynamic_cast\u76f8\u5f53\u306e\u3053\u3068\u3092\u884c\u3046 - Flat Leon Works\" 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_url":"https://flat-leon.hatenablog.com/","categories":["Nim"],"title":"\u3010Nim \u5c0f\u30cd\u30bf\u3011C++\u306edynamic_cast\u76f8\u5f53\u306e\u3053\u3068\u3092\u884c\u3046","blog_title":"Flat Leon Works","height":"190","type":"rich","description":"\u3053\u306e\u8a18\u4e8b\u306f\u300cNim Advent Calendar 2021\u300d\u306e16\u65e5\u76ee\u306e\u8a18\u4e8b\u3068\u3057\u3066\u767b\u9332\u3055\u305b\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3059\u3002 C++\u306edynamic_cast C++\u306b\u306fdynamic_cast\u3068\u3044\u3046\u30ad\u30e3\u30b9\u30c8\u304c\u3042\u308a\u3001\u3053\u308c\u3092\u4f7f\u3046\u3068\u5b89\u5168\u306b\u30c0\u30a6\u30f3\u30ad\u30e3\u30b9\u30c8*1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u3053\u3067\u3044\u3046\u300c\u5b89\u5168\u300d\u3068\u306f\u3001\u30c0\u30a6\u30f3\u30ad\u30e3\u30b9\u30c8\u306e\u5931\u6557\u3092\u5224\u65ad\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002 #include <stdio.h> class Base { public: virtual ~Base(){} }; class Derived : public Base {}; int main() { Derived* derived = new Der\u2026","width":"100%","provider_url":"https://hatena.blog","author_name":"shinya_game_app","provider_name":"Hatena Blog","image_url":null}