{"description":"\u4e45\u3005\u306eSICP\u5fa9\u5e30\u3002\u9032\u3081\u3066\u53c2\u308a\u307e\u3057\u3087\u3046\u3002 \u3010\u554f\u984c\u3011 \u4e0e\u3048\u3089\u308c\u305f\uff08\u7a7a\u3067\u306a\u3044\uff09\u30ea\u30b9\u30c8\u306e\u6700\u5f8c\u8981\u7d20\u3060\u3051\u304b\u3089\u306a\u308b\u30ea\u30b9\u30c8\u3092\u8fd4\u3059\u624b\u7d9a\u304d last-pair \u3092\u5b9a\u7fa9\u305b\u3088\u3002 (last-pair (list 23 72 149 34) (34) \u3010\u89e3\u7b54\u3011 \u3053\u308c\u3050\u3089\u3044\u306a\u3089\u76f4\u3050\u306b\u66f8\u3051\u3061\u3083\u3046\u304b\uff1f (define (last-pair lis) (let loop ((lis0 lis) (elm #f)) (if (null? lis0) (cons elm '()) (loop (cdr lis0) (car lis0))))) \u3067\u306f\u5b9f\u9a13\u3002 gosh> (last-pair (list 23 72 149 34 2\u2026","author_name":"awacio","provider_url":"https://hatena.blog","blog_title":"awacio.log","provider_name":"Hatena Blog","categories":["SICP","Scheme"],"image_url":null,"title":"SICP \u554f\u984c 2.17 \uff08\u30ea\u30b9\u30c8\u306e\u6700\u5f8c\u306e\u8981\u7d20\u3060\u3051\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30ea\u30b9\u30c8\u3092\u8fd4\u3059\uff09","blog_url":"https://awacio.hatenadiary.org/","url":"https://awacio.hatenadiary.org/entry/20100429/1272518432","type":"rich","published":"2010-04-29 14:20:32","width":"100%","height":"190","version":"1.0","author_url":"https://blog.hatena.ne.jp/awacio/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fawacio.hatenadiary.org%2Fentry%2F20100429%2F1272518432\" title=\"SICP \u554f\u984c 2.17 \uff08\u30ea\u30b9\u30c8\u306e\u6700\u5f8c\u306e\u8981\u7d20\u3060\u3051\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30ea\u30b9\u30c8\u3092\u8fd4\u3059\uff09 - awacio.log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}