{"url":"https://boxnos.hatenablog.com/entry/20071025/1193246834","height":"190","published":"2007-10-25 02:27:14","categories":["Scheme"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20071025%2F1193246834\" title=\" \u7d99\u7d9a\u3092\u4f7f\u3063\u3066\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316\u3002 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://boxnos.hatenablog.com/","blog_title":"\u30dc\u30af\u30ce\u30b9","author_name":"tanakaBox","width":"100%","provider_url":"https://hatena.blog","image_url":null,"provider_name":"Hatena Blog","description":"call/cc\u3092\u4f7f\u3063\u3066\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316\u306b\u6311\u3093\u3067\u307f\u307e\u3059\u3002\u968e\u4e57\u304c\u304a\u306a\u3058\u307f\u306a\u306e\u3067\u3001\u968e\u4e57\u306b\u3057\u305f\u3002 \u307e\u305a\u306f\u53cd\u5fa9\u3067\u3002 trace\u304c\u5165\u3063\u3066\u308b\u3051\u3069\u3001\u53cd\u5fa9\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u968e\u4e57\u3002 (define (fact n) (define (iter m aac) (if (= m 0) aac (iter (- m 1) (* aac m)))) (trace iter) (iter n 1)) (trace fact) (fact 10) SICP\u3084\u308a\u59cb\u3081\u305f\u3068\u304d\u306f\u53cd\u5fa9\u3067\u6ce3\u304d\u305d\u3046\u3060\u3063\u305f\u3051\u3069\u3001\u666e\u901a\u306b\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u308b\u3057\u3002 trace\u7d50\u679c MzScheme\u3092\u4f7f\u3046\u3002 |(fact 10) |(iter 10 1) |(iter \u2026","version":"1.0","author_url":"https://blog.hatena.ne.jp/tanakaBox/","title":" \u7d99\u7d9a\u3092\u4f7f\u3063\u3066\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316\u3002","type":"rich"}