{"provider_url":"https://hatena.blog","url":"https://boxnos.hatenablog.com/entry/20080426/1209174973","published":"2008-04-26 10:56:13","categories":["Scheme"],"width":"100%","author_url":"https://blog.hatena.ne.jp/tanakaBox/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20080426%2F1209174973\" title=\" SICP\u3092\u8aad\u3080(104) \u554f\u984c 3.21 - 3.22 - \u30ad\u30e5\u30fc(2) - \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>","image_url":null,"description":"\u3082\u3046\u3061\u3087\u3044\u3002 \u554f\u984c 3.21 Ben\u306e\u308f\u304c\u307e\u307e\u3092\u805e\u3051\u3002 (define print-queue car) (print-queue q) ; () \u306a\u3001\u6d88\u3048\u3066\u308b\u3060\u308d\u3002\u30c7\u30fc\u30bf\u69cb\u9020\u304c\u30ea\u30b9\u30c8\u306a\u3093\u3060\u304b\u3089\u3057\u3087\u3046\u304c\u306a\u3044\u3058\u3083\u3093\u3002 \u554f\u984c 3.22 \u3093\u3058\u3083\u30c7\u30fc\u30bf\u69cb\u9020\u5909\u3048\u3066\u3084\u308c\u3070\u3044\u3044\u3058\u3083\u306a\u3044\u304b\u3068\u3001\u6b21\u306e\u554f\u984c\u3078\u3002 (define (make-queue) (let* ((front-ptr '()) (rear-ptr '()) (empty-queue? (lambda () (null? front-ptr)))) (lambda (m) (case m ('empty-queue? (empty-queue?)\u2026","blog_url":"https://boxnos.hatenablog.com/","author_name":"tanakaBox","type":"rich","version":"1.0","title":" SICP\u3092\u8aad\u3080(104) \u554f\u984c 3.21 - 3.22 - \u30ad\u30e5\u30fc(2)","blog_title":"\u30dc\u30af\u30ce\u30b9","provider_name":"Hatena Blog"}