{"version":"1.0","image_url":null,"categories":["Scheme"],"description":"\u3068\u3046\u3068\u3046100\u56de\u3092\u8fce\u3048\u3066\u3057\u307e\u3063\u305f\u304c\u3001SICP\u306f\u534a\u5206\u3082\u9032\u3093\u3067\u3044\u306a\u3044\u3002\u9577\u3044\u6226\u3044\u306b\u306a\u308a\u305d\u3046\u3060\u3002 \u554f\u984c 3.11 \u9280\u884c\u53e3\u5ea7\u624b\u7d9a\u304d\u306e\u8aac\u660e\u3092\u305b\u3088\u3002\u3068\u3044\u3046\u554f\u984c\u3002\u3068\u308a\u3042\u3048\u305a\u3001\u5185\u5074\u306edefine\u306b\u3064\u3044\u3066fact\u3067\u8003\u3048\u308b\u3002\u5185\u5074\u306edefine\u306fletrec\u3068\u540c\u69d8\u3068\u8003\u3048\u308c\u3070\u3044\u3044\u3002\u3058\u3083\u3041\u3001letrec\u306f\u3069\u3046\u306a\u3063\u3066\u308b\u304b\u3068\u3044\u3046\u3068\u3001 (define (fact n) ((lambda (iter) (set! iter (lambda (n) (if (zero? n) 1 (* n (iter (- n 1)))))) (iter n)) 'dummy)) (fact 10) ; 3628800 \u306a\u3093\u3068\u3082\u7f8e\u3057\u304f\u306a\u3044\u56f3\u3060\u3063\u305f\u2026","width":"100%","provider_name":"Hatena Blog","url":"https://boxnos.hatenablog.com/entry/20080426/1209144798","blog_title":"\u30dc\u30af\u30ce\u30b9","blog_url":"https://boxnos.hatenablog.com/","title":" SICP\u3092\u8aad\u3080(100) \u554f\u984c 3.11 - \u5185\u5074\u306e\u306edefine","author_name":"tanakaBox","provider_url":"https://hatena.blog","published":"2008-04-26 02:33:18","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20080426%2F1209144798\" title=\" SICP\u3092\u8aad\u3080(100) \u554f\u984c 3.11 - \u5185\u5074\u306e\u306edefine - \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>","author_url":"https://blog.hatena.ne.jp/tanakaBox/","height":"190"}