{"title":" value-initialized array by new operator","author_url":"https://blog.hatena.ne.jp/DOSEI/","published":"2011-10-13 00:00:00","provider_name":"Hatena Blog","author_name":"DOSEI","version":"1.0","provider_url":"https://hatena.blog","image_url":null,"categories":["\u30e1\u30e2","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","C++"],"description":"\u898f\u683c\u3067\u306f 5.3.4 \u306e 5 \u3067\u3001 int * a = new int [100] (); \u306e\u3088\u3046\u306b\u6700\u5f8c\u306b\u62ec\u5f27\u3092\u3064\u3051\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001 int \u7b49\u306e\u578b\u3067\u3082 value-initialized \u3055\u308c\u308b\u3053\u3068\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002\u3057\u304b\u3057\u3001\u306a\u305c\u304b\u914d\u5217\u306e new \u306f\u521d\u671f\u5316\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u8aac\u660e\u304c\u3061\u307e\u305f\u3067\u3042\u3075\u308c\u304b\u3048\u3063\u3066\u3044\u308b\u3002\u3069\u3046\u3082\u3001\u904e\u53bb\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u308b\u30d0\u30b0\u5b9f\u88c5\u304c\u3044\u3051\u306a\u3044\u3089\u3057\u3044\u3002 \u5b9f\u969b\u3001 gcc \u3067\u3061\u3083\u3093\u3068\u30bc\u30ed\u521d\u671f\u5316\u3055\u308c\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3042\u3063\u305f\u3089\u3057\u3044\u3002\u6700\u8fd1\u306e\u306f\u3061\u3083\u3093\u3068\u3067\u304d\u308b\u306f\u305a\u3002\u4ee5\u4e0b\u306e\u8a18\u4e8b\u53c2\u7167\u3002 http://d.hatena.ne.jp/uskz/20080421/p1 \u3067\u3001 #include <cstdlib> \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdosei.hatenadiary.jp%2Fentry%2F20111013%2Fp1\" title=\" value-initialized array by new operator - DOSEI\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","width":"100%","url":"https://dosei.hatenadiary.jp/entry/20111013/p1","blog_url":"https://dosei.hatenadiary.jp/","type":"rich","blog_title":"DOSEI\u306e\u65e5\u8a18"}