{"title":"\u30ed\u30fc\u30ab\u30eb\u675f\u7e1b\u306e\u6319\u52d5\u304c\u76f4\u611f\u7684\u3058\u3083\u306a\u304b\u3063\u305f","author_name":"otherworld","description":"let\u3067\u30ed\u30fc\u30ab\u30eb\u675f\u7e1b\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u306b\u4e0a\u624b\u304f\u3044\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002\u53d7\u3051\u53d6\u3063\u305f\u4e8c\u3064\u306e\u5f15\u6570\u3092\u305d\u308c\u305e\u308c\u4e8c\u5206\u6728\u306e\u8981\u7d20\u306b\u3057\u3066\u8fd4\u3059\u95a2\u6570\uff08\u306e\u3064\u3082\u308a\uff09\u3092\u3053\u3093\u306a\u611f\u3058\u3067\u5b9a\u7fa9\u3002 (defun tree (l r) (let ((tree '((left . nil) (right . nil)))) (setcdr (assoc 'left tree) l) (setcdr (assoc 'right tree) r) tree)) \u3053\u308c\u3092\u4f7f\u3063\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092\u3059\u308b\u3068\u2026 (tree (tree \"1\" \"2\") (tree \"3\" \"4\")) \u7406\u60f3 ((left (left . \"1\") (right . \"2\u2026","image_url":null,"type":"rich","author_url":"https://blog.hatena.ne.jp/otherworld/","url":"https://otherworld.hatenadiary.org/entry/20091113/1258090431","categories":["elisp"],"version":"1.0","published":"2009-11-13 14:33:51","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fotherworld.hatenadiary.org%2Fentry%2F20091113%2F1258090431\" title=\"\u30ed\u30fc\u30ab\u30eb\u675f\u7e1b\u306e\u6319\u52d5\u304c\u76f4\u611f\u7684\u3058\u3083\u306a\u304b\u3063\u305f - oTheRwoRld\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","blog_url":"https://otherworld.hatenadiary.org/","provider_name":"Hatena Blog","blog_title":"oTheRwoRld","width":"100%"}