{"provider_name":"Hatena Blog","height":"190","author_name":"kiririmode","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080405%2Fp2\" title=\"\u554f\u984c3-23 (3.3.2  Representing Queues) - \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>","published":"2008-04-05 00:00:01","title":"\u554f\u984c3-23 (3.3.2  Representing Queues)","url":"https://kiririmode.hatenablog.jp/entry/20080405/p2","image_url":null,"type":"rich","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","version":"1.0","categories":["SICP"],"provider_url":"https://hatena.blog","blog_url":"https://kiririmode.hatenablog.jp/","description":"\u30ad\u30e5\u30fc\u306e\u4e21\u7aef\u304b\u3089\u8ffd\u52a0\u3068\u524a\u9664\u304c\u3067\u304d\u308b\uff0cdeque \u3092\u4f5c\u308b\u554f\u984c\uff0e \u8ffd\u52a0\uff0c\u524a\u9664\u306f\u3067\uff0c\u3068\u3044\u3046\u5236\u7d04\u4ed8\u304d\uff0e \u672c\u6587\u306b\u66f8\u3044\u3066\u3042\u308b queue \u306e\u5b9f\u88c5\u3092\u30d1\u30af\u308c\u3070\u307b\u307c OK \u3068\u304b\u601d\u3063\u3066\u3044\u305f\u3093\u3067\u3059\u3051\u3069\uff0c\u305d\u308c\u3060\u3068\u7d42\u7aef\u304b\u3089\u306e\u8981\u7d20\u306e\u524a\u9664\u304c\u306b\u306f\u306a\u3089\u306a\u3044\u3067\u3059\u306d\uff0e \u7d50\u5c40\uff0c\u53cc\u65b9\u5411\u7dda\u5f62\u30ea\u30b9\u30c8\u3092\u4f5c\u3063\u3066\uff0cdeque \u3092\u4f5c\u3063\u3066\u307f\u305f\uff0e \u756a\u5175\u3092\u4f7f\u3048\u3070\u3082\u3046\u3061\u3087\u3063\u3068\u30ad\u30ec\u3044\u3060\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u304c\uff0c\u3082\u306f\u3084\u4f5c\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u5f8c\u306e\u796d\u308a\uff0e ;; deque \u3092\u69cb\u6210\u3059\u308b\u30ce\u30fc\u30c9 (define (make-node c p n) (let ((content c) (prev p) (next n)) (define (set-prev! new-prev) (\u2026","width":"100%","author_url":"https://blog.hatena.ne.jp/kiririmode/"}