{"type":"rich","image_url":null,"width":"100%","blog_title":"\u3061\u306a\u307f\u306b","url":"https://blog.nishimu.land/entry/20081214/1229238958","categories":["ruby"],"author_name":"Sixeight","provider_url":"https://hatena.blog","published":"2008-12-14 16:15:58","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.nishimu.land%2Fentry%2F20081214%2F1229238958\" title=\"\u591a\u6bb5\u7279\u7570\u30af\u30e9\u30b9 - \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>","description":"class Class def super_metaclass(level = 1) class_eval <<-EOS #{\"class << self\\n\" * level} self #{\"\\nend\" * level} EOS end end p Object.super_metaclass(100) #=> #<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Class:#<Cl\u2026","blog_url":"https://blog.nishimu.land/","author_url":"https://blog.hatena.ne.jp/Sixeight/","version":"1.0","height":"190","title":"\u591a\u6bb5\u7279\u7570\u30af\u30e9\u30b9"}