{"description":"http://kabuki.spring8.or.jp/Members/matusita/forums/cpp-tips/document.2005-10-09.6758608810 \u300cshared_ptr(static_cast(0))\u300d\u3058\u3083\u306a\u304f\u3066\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u751f\u6210\u3059\u308c\u3070\u826f\u304b\u3063\u305f\u306e\u304b\uff65\uff65\uff65\u3002 \u300cif (p)\u300d\u306f\u9593\u9055\u3044\uff1f \u8ffd\u8a18 \u3072\u3087\u3063\u3068\u3057\u3066\u300cshared_ptr::null\u300d\u3068\u304b\u3042\u308b\u306e\u3067\u306f\uff01\u2026\u3068\u601d\u3063\u305f\u3051\u3069\u306a\u304b\u3063\u305f\u2026orz \u8ffd\u8a18\uff12 \u300coperator std::_Bool_type\u300d\u304c\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u305f\u304b\u3089\u3001\u591a\u5206\u300cif (p)\u300d\u306f\u9593\u9055\u3044\u3058\u3083\u306a\u3044\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u3002\u3067\u3082\u3001\u6a19\u6e96\u306e\u6f14\u7b97\u2026","image_url":null,"version":"1.0","blog_url":"https://so-wh.at/","provider_name":"Hatena Blog","categories":["C++"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fso-wh.at%2Fentry%2F20090603%2Fp2\" title=\" null\u5024\u306eshared_ptr \u305d\u306e\uff12 - so what\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/winebarrel/","height":"190","title":" null\u5024\u306eshared_ptr \u305d\u306e\uff12","width":"100%","provider_url":"https://hatena.blog","type":"rich","published":"2009-06-03 00:00:02","url":"https://so-wh.at/entry/20090603/p2","blog_title":"so what","author_name":"winebarrel"}