{"blog_url":"https://yamanetoshi.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyamanetoshi.hatenablog.com%2Fentry%2F20070414%2F1176546519\" title=\" SICP \u8aad\u307f (87) 2.5.3 \u4f8b: \u8a18\u53f7\u4ee3\u6570 - yamanetoshi&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","title":" SICP \u8aad\u307f (87) 2.5.3 \u4f8b: \u8a18\u53f7\u4ee3\u6570","provider_url":"https://hatena.blog","author_name":"yamanetoshi","image_url":null,"description":"\u3042\u3068 4 \u9801\u304c\u306a\u304b\u306a\u304b\u9032\u307e\u3093\u3002\u6765\u9031\u4ee5\u964d\u306f\u5bfe\u5fdc\u53ef\u80fd\u306a\u6642\u9593\u3082\u6e1b\u308b\u3002","published":"2007-04-14 19:28:39","categories":["scheme","SICP"],"author_url":"https://blog.hatena.ne.jp/yamanetoshi/","url":"https://yamanetoshi.hatenablog.com/entry/20070414/1176546519","type":"rich","blog_title":"yamanetoshi's diary","width":"100%","height":"190","provider_name":"Hatena Blog"}