{"version":"1.0","author_name":"kiririmode","blog_url":"https://kiririmode.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071127%2Fp3\" title=\"\u554f\u984c2-30 - \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>","description":"\u6728\u69cb\u9020\u306e\u8449\u306e\u90e8\u5206\u306f\u5358\u306a\u308b\u6574\u6570\u306a\u3093\u3067\u3059\u3051\u3069\u3001\u305d\u3046\u3044\u3046\u6728\u306e\u8449\u3063\u3071\u306e\u90e8\u5206\u30922\u4e57\u3059\u308b\u95a2\u6570\u3092\u66f8\u3051\u3068\u304b\u305d\u3046\u3044\u3046\u3002 \u5358\u7d14\u306a\u306e\u306f\u3053\u3063\u3061\u3067\u3059\u3002\u3042\u3093\u307e\u3057\u62bd\u8c61\u306a\u611f\u3058\u3067\u3082\u306a\u3044\u3002 (define (square x) (* x x)) (define (square-tree tree) (cond ((null? tree) ()) ((not (pair? tree)) (square tree)) (else (cons (square-tree (car tree)) (square-tree (cdr tree)))))) \u4f8b\u984c\u306b\u51fa\u3066\u308bmap\u4f7f\u3046\u65b9\u6cd5\u304c\u3059\u3052\u30fc\u30ad\u30ec\u30a4\u3060\u306a\u30fc\u3068\u95a2\u5fc3\u3057\u305f\u3093\u3067\u3059\u3051\u3069\u3001\u305d\u308c\u3092\u30de\u30cd\u308b\u3068\u3053\u3046\u2026","type":"rich","image_url":null,"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","title":"\u554f\u984c2-30","url":"https://kiririmode.hatenablog.jp/entry/20071127/p3","provider_url":"https://hatena.blog","width":"100%","provider_name":"Hatena Blog","categories":["SICP"],"published":"2007-11-27 00:00:02","height":"190","author_url":"https://blog.hatena.ne.jp/kiririmode/"}