{"author_url":"https://blog.hatena.ne.jp/kiririmode/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071203%2Fp3\" title=\"\u554f\u984c2-36 - \u7406\u7cfb\u5b66\u751f\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>","url":"https://kiririmode.hatenablog.jp/entry/20071203/p3","title":"\u554f\u984c2-36","categories":["SICP"],"published":"2007-12-03 00:00:02","description":"\u306a\u3093\u304b\u30b9\u30b2\u30fc\u66f8\u304d\u306b\u304f\u3044\u554f\u984c\u3002 \u30ea\u30b9\u30c8\u306e\u30ea\u30b9\u30c8\u3092\u5f15\u6570\u3068\u3057\u3066\u53d6\u3063\u3066\u3001\u305d\u306e\u30ea\u30b9\u30c8\u306e\u30ea\u30b9\u30c8\u306e\u6dfb\u3048\u5b57\u306e\u304a\u306a\u3058\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u6f14\u7b97\u3057\u305f\u5f8c\u3001\u305d\u306e\u7d50\u679c\u3092\u30ea\u30b9\u30c8\u306b\u3057\u3066\u8fd4\u3059\u3088\u3002 \u3053\u3046\u3084\u3063\u305f\u3089\u3067\u304d\u308b\u3088\uff01 (define (accumulate-n op init seqs) (if (null? (car seqs)) () (cons (accumulate op init (map car seqs)) (accumulate-n op init (map cdr seqs))))) \u7d50\u679c\u306f\u3053\u3046\u3084\u3063\u305f\u3089\u5206\u304b\u308b\u3088\uff01 gosh> (accumulate-n + 0 (list (list 1 2 3) (list 4\u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","width":"100%","image_url":null,"author_name":"kiririmode","type":"rich","blog_url":"https://kiririmode.hatenablog.jp/","version":"1.0"}