{"blog_title":"awacio.log","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fawacio.hatenadiary.org%2Fentry%2F20101009%2F1286628331\" title=\"SICP \u554f\u984c 2.79\uff08\u6c4e\u7528\u7b49\u4fa1\u8ff0\u8a9eequ?\u3092\u8ffd\u52a0\u3002\uff09 - awacio.log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://awacio.hatenadiary.org/entry/20101009/1286628331","published":"2010-10-09 21:45:31","author_name":"awacio","title":"SICP \u554f\u984c 2.79\uff08\u6c4e\u7528\u7b49\u4fa1\u8ff0\u8a9eequ?\u3092\u8ffd\u52a0\u3002\uff09","height":"190","image_url":null,"version":"1.0","categories":["Scheme","SICP"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/awacio/","blog_url":"https://awacio.hatenadiary.org/","description":"\u554f\u984c \u4e8c\u3064\u306e\u5024\u306e\u7b49\u4fa1\u3092\u30c6\u30b9\u30c8\u3059\u308b\u7b49\u4fa1\u8ff0\u8a9eequ?\u3092\u5b9a\u7fa9\u3057\u3001\u6c4e\u7528\u7b97\u8853\u6f14\u7b97\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u8a2d\u5b9a\u305b\u3088\u3002\u3053\u306e\u6f14\u7b97\u306f\u901a\u5e38\u306e\u6570\u3001\u6709\u7406\u6570\u3001\u53ca\u3073\u8907\u7d20\u6570\u306b\u5bfe\u3057\u3066\u50cd\u304f\u3082\u306e\u3068\u3059\u308b\u3002 \u89e3\u7b54 \u300c\u7570\u306a\u308b\u578b\u300d\u306e\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u73fe\u6bb5\u968e\u3067\u8003\u616e\u3055\u308c\u3066\u3044\u306a\u3044\u3002\uff08\u3060\u3063\u3066\u554f\u984c2.80\u4ee5\u964d\u306b\u305d\u308c\u306b\u3064\u3044\u3066\u306e\u8a18\u8ff0\u304c\u3042\u308b\u3057\u3002\uff09\u306a\u306e\u3067\u3001\u3053\u3053\u3067\u8003\u3048\u308c\u3070\u3088\u3044\u306e\u306f\u540c\u3058\u578b\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u306e\u6bd4\u8f03\u306b\u306a\u308b\u3002\u3064\u30fc\u308f\u3051\u3067\u3001\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308b\u304b\u3002\u66f8\u304d\u52a0\u3048\u305f\u3068\u3053\u3060\u3051\u30b3\u30e1\u30f3\u30c8\u3057\u3066\u307e\u3059\u3002 (define (apply-generic op . args) (let* ((type-tags (map type-tag args)) (proc (get op type-tags\u2026","type":"rich","provider_url":"https://hatena.blog","width":"100%"}