{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmzp.hatenadiary.org%2Fentry%2F20070610%2Faif\" title=\"\u4ffalet\u3068aif - \u307f\u305a\u3074\u30fc\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>","height":"190","categories":["Scheme","30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0"],"version":"1.0","provider_name":"Hatena Blog","type":"rich","author_name":"mzp","provider_url":"https://hatena.blog","image_url":null,"blog_url":"https://mzp.hatenadiary.org/","url":"https://mzp.hatenadiary.org/entry/20070610/aif","published":"2007-06-10 00:00:00","width":"100%","description":"\u4e00\u56de\u4f11\u3093\u3060\u3051\u308c\u3069\u300130\u5206\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u305d\u306e52\u3002Scheme\u3067\u4ffalet\u3068aif\u3092\u5b9a\u7fa9\u3057\u3066\u307f\u3088\u3046\u3002 define-syntax\u7cfb\u306e\u5065\u5168\u306a\u30de\u30af\u30ed\u3067\u306f\u7121\u7406\u3060\u3063\u305f\u306e\u3067\u3001define-macro\u306e\u4f1d\u7d71\u7684\u306a\u30de\u30af\u30ed\u3067\u5b9f\u73fe\u3057\u305f\u3002 \u4f1d\u7d71\u7684\u306a\u30de\u30af\u30ed\u3060\u3068\u3001Common Lisp\u3068\u307e\u3063\u305f\u304f\u4e00\u7dd2\u3084\u306d\u3002\u4ffalet\u306f\u3068\u304f\u306b\u8aac\u660e\u304c\u3044\u3089\u306a\u3044\u3068\u601d\u3046\u306e\u3067\u3001aif\u306e\u8aac\u660e\u3060\u3051\u3002 aif\u306f\u30a2\u30ca\u30d5\u30a9\u30ea\u30c3\u30af\u30de\u30af\u30ed\u3068\u3044\u3063\u3066\u3001\u6761\u4ef6\u90e8\u306e\u8a55\u4fa1\u7d50\u679c\u304cit\u306b\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u308b\u3002 \u3060\u304b\u3089\u3001 gosh> (aif (+ 1 3) it 0) 4\u3068\u306a\u308b\u3002 (define-syntax mac (syntax-rules() ((_ var) (print (macr\u2026","author_url":"https://blog.hatena.ne.jp/mzp/","blog_title":"\u307f\u305a\u3074\u30fc\u65e5\u8a18","title":"\u4ffalet\u3068aif"}