{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftrotr.hatenadiary.org%2Fentry%2F20081005%2F1223207845\" title=\"\u4e45\u3057\u3076\u308a\u306a\u306e\u3067\u30cf\u30d5\u30de\u30f3\u6728\u306e\u3068\u3053\u308d\u3092\u5fa9\u7fd2\u3057\u3066\u307f\u305f\u3002 - trotr\u306e\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>","blog_title":"trotr\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","description":"\u6642\u9593\u3092\u6c7a\u3081\u3066\u3001\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u307f\u305f\u3002 \u95a2\u6570\u3092\u4f5c\u308b\u5ea6\u306b\u30c6\u30b9\u30c8\u3057\u3066\u3044\u3063\u305f\u3089\u3001\u3068\u3066\u3082\u697d\u306b\u9032\u3081\u3089\u308c\u305f\u3002 1\u6642\u9593\u3061\u3087\u3063\u3068\u3067\u30cf\u30d5\u30de\u30f3\u6728\u306e\u90e8\u5206\u306e\u554f\u984c\u304c\u5168\u90e8\u89e3\u3051\u305f\uff08\u3068\u601d\u3046\u3002\u8a08\u7b97\u91cf\u307f\u3064\u3082\u308a\u3068\u304b\u4ee5\u5916\uff09 \u66f8\u3044\u305f\u30b3\u30fc\u30c9 (define (make-leaf symbol weight) (list 'leaf symbol weight)) (define (symbol-leaf leaf) (cadr leaf)) (define (weight-leaf leaf) (caddr leaf)) (define (leaf? leaf) (equal? (car leaf) 'leaf)) (define (mak\u2026","height":"190","blog_url":"https://trotr.hatenadiary.org/","author_name":"trotr","type":"rich","url":"https://trotr.hatenadiary.org/entry/20081005/1223207845","version":"1.0","provider_name":"Hatena Blog","image_url":null,"published":"2008-10-05 20:57:25","title":"\u4e45\u3057\u3076\u308a\u306a\u306e\u3067\u30cf\u30d5\u30de\u30f3\u6728\u306e\u3068\u3053\u308d\u3092\u5fa9\u7fd2\u3057\u3066\u307f\u305f\u3002","author_url":"https://blog.hatena.ne.jp/trotr/","width":"100%","categories":["sicp"]}