{"title":" UNIVERSAL::isa($hoge, 'Huga') \u3092\u4f7f\u3046\u3079\u304d\u3067\u306f\u306a\u3044","blog_url":"https://dayflower.hatenablog.com/","blog_title":"daily dayflower","description":"\u3053\u3068\u306e\u7406\u7531\u3068\u51fa\u5178\u3092\u3044\u3064\u3082\u5fd8\u308c\u3066\u3057\u307e\u3046\u306e\u3067\uff0c\u30e1\u30e2\u30e1\u30e2\u3002 if ($obj->isa('Huga')) { ...... } \u307f\u305f\u3044\u306a\u30b3\u30fc\u30c9\u306f\u3088\u304f\u4f7f\u3046\u3093\u3067\u3059\u304c\uff0c$obj \u304c bless \u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u304b\uff0c\u30af\u30e9\u30b9\u540d\u306e\u6587\u5b57\u5217\u30b9\u30ab\u30e9\u30fc\uff09\u3058\u3083\u306a\u3044\u3068\u30a8\u30e9\u30fc\u3092\u5410\u304f\u306e\u3067\uff0c\u4e00\u6642\u671f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u307e\u3057\u305f\u3002 if (UNIVERSAL::isa($obj, 'Huga')) { ...... } \u3067\u3082\u305d\u308c\u306f\u30a4\u30ab\u30fc\u30f3\uff0c\u3068\u3069\u3053\u304b\u3067\u8aad\u3093\u3060\u3088\u3046\u306a\u6c17\u304c\u3057\u3066\u63a2\u3057\u3066\u305f\u3089\uff0c\u300c\u7d9a\u30fb\u521d\u3081\u3066\u306ePerl \u6539\u8a02\u7248\u300d\u306e\u300c14.2 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u52d5\u4f5c\u306b\u95a2\u3059\u308b\u30c6\u30b9\u30c8\uff08pp.186-188\uff09\u300d\u306b\u66f8\u3044\u3066\u3042\u308a\u307e\u3057\u305f\u3002 \u3057\u304b\u3057\uff0c\u3053\u308c\u3067\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u2026","height":"190","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdayflower.hatenablog.com%2Fentry%2F20070612%2F1181617308\" title=\" UNIVERSAL::isa($hoge, &#39;Huga&#39;) \u3092\u4f7f\u3046\u3079\u304d\u3067\u306f\u306a\u3044 - daily dayflower\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-06-12 12:01:48","version":"1.0","provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/dayflower/","categories":["perl","memo"],"image_url":"https://images-fe.ssl-images-amazon.com/images/I/51PBFWZSTBL._SL160_.jpg","width":"100%","url":"https://dayflower.hatenablog.com/entry/20070612/1181617308","author_name":"dayflower"}