{"version":"1.0","published":"2007-10-13 00:00:02","image_url":null,"height":"190","author_name":"kiririmode","provider_url":"https://hatena.blog","categories":["SICP"],"blog_url":"https://kiririmode.hatenablog.jp/","width":"100%","url":"https://kiririmode.hatenablog.jp/entry/20071013/p3","provider_name":"Hatena Blog","title":"\u554f\u984c1-31(b)","type":"rich","description":"\u554f\u984c1-31(a) - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\u306eproduct\u306f\u53cd\u5fa9\u7684\u30d7\u30ed\u30bb\u30b9\u3060\u3063\u305f\u306e\u3067\u3001\u6b21\u306b\u518d\u5e30\u7684\u30d7\u30ed\u30bb\u30b9\u306eproduct\u304b\u304f\u3002 (define (product-recursive term a next b) (if (> a b) 1 (* (term a) (product-recursive term (next a) next b)))) \u3082\u3061\u308d\u30936!\u3092\u8a08\u7b97\u3059\u308b\u3002 gosh> (product-recursive identity 1 inc 6) 720","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071013%2Fp3\" title=\"\u554f\u984c1-31(b) - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/kiririmode/","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18"}