{"version":"1.0","published":"2011-10-10 05:34:03","author_name":"sirocco","blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2","author_url":"https://blog.hatena.ne.jp/sirocco/","provider_name":"Hatena Blog","description":"Haskell \u3067 Ruby \u306e [a, b, c].join(x) \u3068\u540c\u7b49\u306e\u3053\u3068\u3092\u3059\u308b\u306b\u306f intersperse \u304c\u4fbf\u5229\u3002 > concat $ Data.List.intersperse \"-\" [\"abc\", \"def\", \"ghi\"] -- > \"abc-def-ghi\" -- intersperse \u3092\u81ea\u5206\u3067\u4f5c\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3002 intersperse' :: a -> [a] -> [a] intersperse' _ [x] = [x] intersperse' s (x:xs) = x:s:intersperse' s xs Haskell\u306e\u99c4\u76ee\u306a\u4f7f\u3044\u65b9 / \u6587\u5b57\u5217\u51e6\u8a00\u8a9e\u9593\u7406\u6bd4\u2026","blog_url":"https://sirocco.hatenadiary.org/","provider_url":"https://hatena.blog","image_url":null,"type":"rich","categories":[],"title":"foldl1,foldr1,scanl1, scanr1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20111010%2F1318278843\" title=\"foldl1,foldr1,scanl1, scanr1 - sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","url":"https://sirocco.hatenadiary.org/entry/20111010/1318278843","width":"100%"}