{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20071205%2F1196809461\" title=\" Scheme\u3092\u3064\u304f\u308d\u3046(9) if - \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>","description":"\u3055\u3066\u3001\u69cb\u6587\u3068\u3044\u3046\u5974\u306b\u53d6\u308a\u304b\u304b\u308a\u307e\u3059\u3002\u3042\u3041\u3001Scheme\u306b\u306f\u69cb\u6587\u304c\u306a\u3044\u3093\u3060\u3063\u3051\u3002\u3067\u3082if\u306f\u69cb\u6587\u3060\u3088\u306a\u3002\u30de\u30c6\u3001\u5024\u3092\u8fd4\u3059\u304b\u3089\u5f0f\u304b?\u30fb\u30fb\u30fb\u69cb\u6587\u306e\u5b9a\u7fa9\u304c\u30a4\u30de\u30a4\u30c1\u5fae\u5999\u3067\u3059\u3002 \u3042\u3093\u307e\u308a\u7d30\u304b\u3044\u3053\u3068\u306f\u6c17\u306b\u305b\u305a\u9032\u307f\u307e\u3059\u3002 if\u306e\u6319\u52d5 if\u306fdefine\u3068\u540c\u3058\u3088\u3046\u306b\u7279\u5225\u306a\u95a2\u6570\u3067\u3059\u3002\u901a\u5e38\u3001Scheme\u306f\u62ec\u5f27\u306e\u4e2d\u304b\u3089\u8a08\u7b97\u3057\u3066\u3044\u304f\u8a33\u3067\u3059\u304c\u3001if\u3084define\u306f\u62ec\u5f27\u306e\u4e2d\u3092\u8a55\u4fa1\u3059\u308b\u3088\u308a\u3082\u5148\u306b\u3084\u308b\u3079\u304d\u4e8b\u304c\u3042\u308a\u307e\u3059\u3002 > (define l '(1 2 3)) > (if (pair? l) (car l) (cdr l)) 1\u5b9f\u884c\u306e\u9806\u756a\u3092\u6574\u7406\u3059\u308b\u3068\u3001 \u307e\u305a\u3001(pair? l)\u3092\u8a55\u4fa1\u3057\u3066\u3001#t #t\u3060\u3063\u305f\u3089\u3001(car l)\u3092\u8a55\u4fa1\u2026","title":" Scheme\u3092\u3064\u304f\u308d\u3046(9) if","author_name":"tanakaBox","blog_title":"\u30dc\u30af\u30ce\u30b9","categories":["Scheme"],"image_url":null,"width":"100%","height":"190","provider_name":"Hatena Blog","blog_url":"https://boxnos.hatenablog.com/","provider_url":"https://hatena.blog","version":"1.0","type":"rich","published":"2007-12-05 08:04:21","url":"https://boxnos.hatenablog.com/entry/20071205/1196809461","author_url":"https://blog.hatena.ne.jp/tanakaBox/"}