{"blog_url":"https://zehnpaard.hatenablog.com/","author_name":"zehnpaard","description":"\u524d\u56de\u306e\u9805\u76ee\u3092\u7406\u89e3\u3059\u308b\u3068\u306a\u3093\u3067\u3082Pass-by-Reference\u3057\u305f\u304f\u306a\u308b\u304c\u3001Reference\u306f\u305d\u3082\u305d\u3082\u3061\u3083\u3093\u3068Reference\u3092\u8fd4\u3057\u305f\u5148\u3067\u3082\u5b58\u5728\u3057\u7d9a\u3051\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u305d\u306e\u6761\u4ef6\u304c\u6e80\u305f\u305b\u306a\u3044\u3053\u3068\u3082\u591a\u3044\u3002\u3068\u3044\u3046\u9805\u76ee\u3002 \u4f8b\u3048\u3070A\u30af\u30e9\u30b9\u306boperator*\u3092\u5b9a\u7fa9\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u53ef\u80fd\u306b\u3057\u305f\u3044\u3068\u3059\u308b\uff1a A a; A b; A c = a * b; operator*\u304cconst A\u3092\u8fd4\u3059\u3068\u3059\u308b\u3068\u3001a * b\u3067\u95a2\u6570\u5185\u3067\u4e00\u5ea6\u4f5c\u6210\u3055\u308c\u305fA\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u95a2\u6570\u304b\u3089\u8fd4\u3059\u6642\u306b\u307e\u305f\u30b3\u30d4\u30fc\u3059\u308b\u5fc5\u8981\u6027\u304c\u751f\u3058\u308b\u3002\u4e00\u65e6\u4f5c\u3063\u305f\u3082\u306e\u304c\u3042\u308b\u306e\u3060\u304b\u3089\u305d\u308c\u3092\u8fd4\u305b\u3070\u3044\u3044\u3001\u3068\uff1a class A { public\u2026","url":"https://zehnpaard.hatenablog.com/entry/2018/03/15/200620","type":"rich","width":"100%","categories":["C++","Effective C++"],"image_url":null,"title":"Effective C++\u52c9\u5f37\u30e1\u30e2: Item 21 Pass-by-\u5b58\u5728\u3057\u306a\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306eReference\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u30fb\u30fb\u30fb","provider_name":"Hatena Blog","published":"2018-03-15 20:06:20","blog_title":"Arantium Maestum","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/zehnpaard/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzehnpaard.hatenablog.com%2Fentry%2F2018%2F03%2F15%2F200620\" title=\"Effective C++\u52c9\u5f37\u30e1\u30e2: Item 21 Pass-by-\u5b58\u5728\u3057\u306a\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306eReference\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u30fb\u30fb\u30fb - Arantium Maestum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog"}