{"version":"1.0","blog_title":"\u3061\u306a\u307f\u306b","url":"https://blog.nishimu.land/entry/20081128/1227890304","height":"190","description":"(\u4fee\u6b63) \u4f55\u6545\u304binstance_eval\u3068class_eval\u3092\u9593\u9055\u3063\u3066\u3044\u305fclass_eval\u3068send\u306f\u3069\u3061\u3089\u306e\u65b9\u304c\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u306e\u304b\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u53d6\u3063\u3066\u307f\u305f\u3002 require 'benchmark' module Foo def self.included(base) base.extend ClassMethods end module ClassMethods def activate_foo__class_eval class_eval(<<-EOE, __FILE__, __LINE__+1) include Foo::InstanceMethods EOE end\u2026","published":"2008-11-28 01:38:24","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.nishimu.land%2Fentry%2F20081128%2F1227890304\" title=\"class_eval\u3068send\u306e\u30b3\u30b9\u30c8 - \u3061\u306a\u307f\u306b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_url":"https://blog.nishimu.land/","categories":["ruby"],"width":"100%","author_name":"Sixeight","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/Sixeight/","type":"rich","title":"class_eval\u3068send\u306e\u30b3\u30b9\u30c8"}