{"url":"https://setuna-kanata.hatenadiary.org/entry/20100220/1266682981","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsetuna-kanata.hatenadiary.org%2Fentry%2F20100220%2F1266682981\" title=\"variant\u306e\u5b9f\u88c5(3) -placement new- - while( c++ );\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2010-02-20 01:23:01","blog_url":"https://setuna-kanata.hatenadiary.org/","version":"1.0","provider_url":"https://hatena.blog","title":"variant\u306e\u5b9f\u88c5(3) -placement new-","height":"190","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/setuna-kanata/20100220/20100220022536.png","categories":["C++"],"author_url":"https://blog.hatena.ne.jp/setuna-kanata/","blog_title":"while( c++ );","provider_name":"Hatena Blog","author_name":"setuna-kanata","description":"\u524d\u56de\uff08variant\u306e\u5b9f\u88c5(2) -aligned_storage\u3092\u4f5c\u308b- - while( c++ );\uff09\u306e\u3064\u3065\u304d\u3002 \u53c2\u8003 2005-11-02 \u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306e\u554f\u984c\u306f\u304a\u305d\u3089\u304f\u89e3\u6c7a\u3067\u304d\u305f\u306e\u3067\u3001placement new\u3092\u4f7f\u3063\u3066\u30b9\u30bf\u30c3\u30af\u4e0a\u306e\u672a\u521d\u671f\u5316\u9818\u57df\u306b\u4efb\u610f\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u307f\u307e\u3059\u3002 class Hoge { public: Hoge( char a = 0, int b = 0, short c = 0 ) : a( a ), b( b ), c( c ) {} private: char a; int b; short c; }; int main() { typedef aligne\u2026"}