{"version":"1.0","published":"2007-09-14 11:32:28","height":"190","type":"rich","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/norisuke3/","author_name":"norisuke3","description":"(define (copy items condition) (if (null? items) items (if (condition (car items)) (cons (car items) (copy (cdr items) condition)) (copy (cdr items) condition)))) (define (same-parity . items) (copy items (if (even? (car items)) even? odd?))) \u6c4e\u7528\u306e\u6761\u4ef6\u5f0f\u3092\u53d6\u308c\u308bcopy\u3092\u4f5c\u6210\u3057\u3066\u304a\u3044\u3066\u3001same-parity\u7528\u306e\u6761\u4ef6\u3092copy\u306b\u6e21\u3059\u3088\u3046\u306b\u3057\u3066\u307f\u305f\u3002\u6700\u521d\u81ea\u2026","provider_url":"https://hatena.blog","blog_title":"From a Far East Island","title":" \u554f\u984c2.20 \u30c9\u30c3\u30c8\u672b\u5c3e\u8a18\u6cd5","image_url":null,"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnorisuke3.hatenadiary.org%2Fentry%2F20070914%2F1189737148\" title=\" \u554f\u984c2.20 \u30c9\u30c3\u30c8\u672b\u5c3e\u8a18\u6cd5 - From a Far East Island\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"blog_url":"https://norisuke3.hatenadiary.org/","url":"https://norisuke3.hatenadiary.org/entry/20070914/1189737148"}