{"author_name":"morning_reading","provider_name":"Hatena Blog","categories":[],"provider_url":"https://hatena.blog","description":"\u7b2c5\u7ae0\u3001eval \u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7de8\u3002 \u307e\u305a\u306f\u30af\u30e9\u30b9\u30de\u30af\u30ed attr_checked \u3067\u306f\u306a\u304f\u30ab\u30fc\u30cd\u30eb\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066 add_checked_attr(klass, meth) \u306e\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9(\u624b\u98061) eval \u3067\u3079\u3063\u305f\u308a\u3068\u30af\u30e9\u30b9\u3092\u958b\u3044\u3066\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u3002\u3053\u308c\u306f\u304b\u306a\u308a\u306e\u529b\u6280 \u3059\u3050\u306b eval \u3092\u4f7f\u308f\u305a\u306b class_eval \u3068 define_method \u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u306b\u66f8\u304d\u66ff\u3048\u3002(\u624b\u98062)\u3053\u308c eval \u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u610f\u5473\u3042\u3063\u305f\u306e\u304b\u306a\u3002\u3069\u3061\u3089\u3082\u65e2\u306b\u7d39\u4ecb\u3055\u308c\u305f\u624b\u6cd5\u3060\u3057\u3002 instance_variable_get/set \u3092\u4f7f\u3046 \u5c5e\u6027\u306e\u691c\u8a3c\u65b9\u6cd5\u3092\u30d6\u30ed\u30c3\u30af\u3067\u53d7\u3051\u53d6\u308b\u3088\u3046\u306b\u6539\u9020(\u624b\u98063) \u30ab\u30fc\u30cd\u30eb\u2026","width":"100%","type":"rich","url":"https://morning-reading.hatenadiary.org/entry/20101111/p1","title":"\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Ruby \u7b2c5\u7ae0 \u91d1\u66dc\u65e5\uff1a\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u30b3\u30fc\u30c9 \u305d\u306e3","image_url":null,"published":"2010-11-11 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmorning-reading.hatenadiary.org%2Fentry%2F20101111%2Fp1\" title=\"\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Ruby \u7b2c5\u7ae0 \u91d1\u66dc\u65e5\uff1a\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u30b3\u30fc\u30c9 \u305d\u306e3 - \u6bce\u671d30\u5206\u8aad\u66f8\u4f1a\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://morning-reading.hatenadiary.org/","version":"1.0","height":"190","blog_title":"\u6bce\u671d30\u5206\u8aad\u66f8\u4f1a","author_url":"https://blog.hatena.ne.jp/morning_reading/"}