{"published":"2005-10-31 13:39:05","url":"https://higepon.hatenablog.com/entry/20051031/1130733545","blog_title":"higepon blog","categories":["Effective C++","C++"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/higepon/","blog_url":"https://higepon.hatenablog.com/","version":"1.0","author_name":"higepon","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigepon.hatenablog.com%2Fentry%2F20051031%2F1130733545\" title=\" operator new\u3068operator delete\u3092\u66f8\u304f\u3068\u304d\u306f\u898f\u7d04\u3092\u5b88\u308d\u3046 8\u9805 - higepon blog\" 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","type":"rich","provider_url":"https://hatena.blog","image_url":null,"width":"100%","title":" operator new\u3068operator delete\u3092\u66f8\u304f\u3068\u304d\u306f\u898f\u7d04\u3092\u5b88\u308d\u3046 8\u9805","description":"operator new \u3092\u81ea\u5206\u3067\u4f5c\u6210\u3059\u308b\u306a\u3089\u3070\u3001\u3044\u308d\u3044\u308d\u7d04\u675f\u3092\u5b88\u308d\u3046\u3068\u3044\u3046\u8a71\u3002 \u81ea\u5206\u3082Mona\u3067\u306a\u3093\u3068\u306a\u304f new \u3092\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u5411\u3051\u306b\u5b9f\u88c5\u3057\u3066\u3044\u308b\u304c\u4ee5\u4e0b\u306e\u30eb\u30fc\u30eb\u3092\u4e00\u90e8\u5b88\u3063\u3066\u3044\u306a\u3044\u6c17\u304c\u3059\u308b\u3002new\u306e\u304a\u7d04\u675f 0byte\u306e\u8981\u6c42\u306b\u5bfe\u3057\u3066\u3082\u6b63\u898f\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u8fd4\u3055\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044(\u5b9f\u88c5\u4f8b\u3067\u306f0byte\u8981\u6c42\u306f1byte\u8981\u6c42\u3068\u3057\u3066\u6271\u3063\u3066\u3044\u308b) \u30a8\u30e9\u30fc\u51e6\u7406\u95a2\u6570\u3092\u547c\u3070\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044 std::bad_alloc\u3092\u6295\u3052\u306a\u3044\u3068\u3044\u3051\u306a\u3044 Mona\u306f\u4f8b\u5916\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u4eca\u306e\u3068\u3053\u308d\u7121\u7406p delete\u306e\u304a\u7d04\u675f NULL\u30dd\u30a4\u30f3\u30bf\u306edelete\u3092\u5b89\u5168\u306b\u884c\u308f\u305b\u308b\u3002 \u3064\u307e\u308a\u3053\u308c\u306f \u3088\u304f\u898b\u304b\u3051\u308b\u30b3\u30fc\u30c9 if (some\u2026"}