{"provider_url":"https://hatena.blog","blog_url":"https://secret-garden.hatenablog.com/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2016%2F01%2F15%2F232108\" title=\"C++ \u3067\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3092\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3057\u305f\u6642\u306e\u6ce8\u610f - 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>","published":"2016-01-15 23:21:08","blog_title":"Secret Garden(Instrumental)","url":"https://secret-garden.hatenablog.com/entry/2016/01/15/232108","type":"rich","description":"\u4ee5\u4e0b\u306e\u4f8b\u3060\u3068\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3057\u305f\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u306f\u547c\u3073\u51fa\u3055\u308c\u307e\u305b\u3093\u3002 #include <iostream> struct X{ X* operator ->(){ std::cout << \"operator ->\" << std::endl; return this; } void func(){ std::cout << \"func\" << std::endl; } }; int main(){ X* x = nullptr; x->func(); return 0; } /* output: func */ \u3053\u308c\u306f\u3001x \u304c\u5358\u306a\u308b\u30dd\u30a4\u30f3\u30bf\u578b\u306a\u306e\u3067 X \u306e\u5b9a\u7fa9\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u304b\u3089\u3067\u3059\u3002 \u6b63\u3057\u304f\u30aa\u2026","author_url":"https://blog.hatena.ne.jp/osyo-manga/","provider_name":"Hatena Blog","image_url":null,"categories":["C++"],"height":"190","author_name":"osyo-manga","width":"100%","title":"C++ \u3067\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3092\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3057\u305f\u6642\u306e\u6ce8\u610f"}