{"blog_url":"https://so-wh.at/","author_name":"winebarrel","author_url":"https://blog.hatena.ne.jp/winebarrel/","type":"rich","version":"1.0","published":"2007-04-24 00:00:01","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fso-wh.at%2Fentry%2F20070424%2Fp3\" title=\" \u554f\u984c1.30 - so what\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" \u554f\u984c1.30","categories":["SICP"],"description":"\u50d5\u306e\u89e3\u7b54 \u3053\u3093\u306a\u611f\u3058\u304b\u306a\uff1f (define (sum term a next b) (define (iter a result) (if (> a b) result (iter (next a) (+ result (term a))))) (iter a 0)) \u89e3\u7b54\u4f8b http://oss.timedia.co.jp/show/SICP/ex-1.30 http://www.csus4.net/hiki/SICPReading/?1.30","provider_name":"Hatena Blog","url":"https://so-wh.at/entry/20070424/p3","width":"100%","image_url":null,"blog_title":"so what","height":"190"}