{"categories":["\u4e00\u4eba\u52c9\u5f37\u4f1a","SICP"],"height":"190","type":"rich","width":"100%","provider_url":"https://hatena.blog","version":"1.0","blog_url":"https://masahito.hatenablog.com/","blog_title":"Keep on moving","published":"2009-02-11 23:25:35","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasahito.hatenablog.com%2Fentry%2F20090211%2F1234362335\" title=\"\u7b2c\u4e00\u7ae0\uff08\uff11\uff09 - Keep on moving\" 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://masahito.hatenablog.com/entry/20090211/1234362335","title":"\u7b2c\u4e00\u7ae0\uff08\uff11\uff09","author_name":"Ehren","description":"\u7df4\u7fd2\u554f\u984c\u3092\u4e2d\u5fc3\u306b\u884c\u3063\u305f\u3002 SCHEME\u3063\u3066\u66f8\u304d\u65b9\u304cC\u7cfb\u3068\u9055\u3046\u306e\u3067\u3001\u306a\u304b\u306a\u304b\u306a\u3058\u3081\u306a\u3044\u304c\u3060\u3093\u3060\u3093\u306a\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3088\u3044\u306a\u3068\u601d\u3044\u307e\u3059\u3002 plt-scheme\u306b\u3066\u5b9f\u884c\u53ef\u80fd\u3092\u78ba\u8a8d\u3002 \u554f\u984c1.3 \u8003\u3048\u305f\u3051\u3069\u3042\u307e\u308a\u304d\u308c\u3044\u306b\u304b\u3051\u306a\u304b\u3063\u305f\u3002 (define (square x) (* x x)) (define (sum-of-squares x y) (+ (square x) (square y))) (define (foo x y z) (cond ((and (>= x y) (>= z y)) (sum-of-squares x z)) ((and (>= x z) (>= y z)) (sum\u2026","author_url":"https://blog.hatena.ne.jp/Ehren/","image_url":null,"provider_name":"Hatena Blog"}