{"author_url":"https://blog.hatena.ne.jp/shigemk2/","width":"100%","published":"2012-08-25 13:57:26","provider_url":"https://hatena.blog","blog_title":"by shigemk2","description":"Haskell\u306b\u306f\u3001\u7573\u307f\u8fbc\u307f(fold)\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308b\u306e\u3002\u7573\u307f\u8fbc\u307f\u3092\u4f7f\u3046\u3068\u3001\u30c7\u30fc\u30bf\u69cb\u9020(\u305f\u3068\u3048\u3070\u30ea\u30b9\u30c8)\u3092\u5358\u4e00\u306e\u5024\u306b\u7e8f\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 \u7573\u307f\u8fbc\u307f\u95a2\u6570\u306f2\u3064\u306e\u5f15\u6570\u3092\u53d6\u308b\u95a2\u6570\u3067\u3042\u308a\u3001\u7573\u307f\u8fbc\u307f\u306b\u7528\u3044\u308b\u5024(\u30a2\u30ad\u30e5\u30e0\u30ec\u30fc\u30bf)\u306e\u521d\u671f\u5024\u3001\u7573\u307f\u8fbc\u3080\u30ea\u30b9\u30c8\u3092\u53d7\u3051\u3068\u308b\u3002\u30ea\u30b9\u30c8\u3092\u8d70\u67fb\u3057\u3066\u4f55\u304b\u3092\u8fd4\u3057\u305f\u3044\u3068\u304d\u306f\u3001\u7573\u307f\u8fbc\u307f\u3092\u4f7f\u3048\u3070\u3088\u3044\u3067\u305b\u3046\u3002 \u3061\u306a\u307f\u306b\u30ea\u30b9\u30c8\u306e\u8d70\u67fb\u306f\u53f3\u304b\u3089\u3067\u3082\u5de6\u304b\u3089\u3067\u3082\u51fa\u6765\u308b\u3088\u30022\u3064\u306e\u30ea\u30b9\u30c8\u306e\u5024\u3092\u8a08\u7b97\u3057\u3066\u3001\u305d\u306e\u7d50\u679c\u3092\u30a2\u30ad\u30e5\u30e0\u30ec\u30fc\u30bf\u3068\u3059\u308b\u2026\u3068\u3044\u3046\u518d\u5e30\u3063\u307d\u3044\u64cd\u4f5c\u3092\u7e70\u308a\u8fd4\u3057\u3001\u6700\u5f8c\u306e\u30a2\u30ad\u30e5\u30e0\u30ec\u30fc\u30bf\u306e \u5024\u3092\u95a2\u6570\u306f\u8fd4\u3057\u3066\u304f\u308c\u308b\u3093DA -- \u30a2\u30ad\u30e5\u30e0\u30ec\u30fc\u30bf sum' :: (Num a) => [a] -> a s\u2026","version":"1.0","height":"190","title":"\u7573\u307f\u8fbc\u307f","type":"rich","blog_url":"https://www.shigemk2.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F20120825%2F1345870646\" title=\"\u7573\u307f\u8fbc\u307f - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"shigemk2","url":"https://www.shigemk2.com/entry/20120825/1345870646","categories":["Haskell"],"provider_name":"Hatena Blog","image_url":null}