{"blog_title":"Camera Obscura","version":"1.0","description":"\u306a\u305c\u95a2\u6570\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u91cd\u8981\u304b Ruby\u3092\u4f7f\u3063\u3066\u300c\u306a\u305c\u95a2\u6570\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u91cd\u8981\u304b\u300d\u3092\u8aad\u307f\u89e3\u304f\uff08\u6539\u5b9a\uff09\u2500 \u524d\u7de8 \u2500 \u4f46\u3057\u5f8c\u7de8\u306e\u4e88\u5b9a\u306a\u3057 \u30e1\u30e2\u3067\u3059\u3002 melborne \u6c0f\u306e\u30d6\u30ed\u30b0\u3092\u53c2\u8003\u306b lambda \u306e\u307f\u3067\u5b9f\u88c5\u3002 \u95a2\u6570\u5408\u6210\u306b\u95a2\u3057\u3066\u306f\u3053\u3053\u3092\u53c2\u8003\u306b\u3057\u305f\u304c\u3001\u3053\u308c\u3067\u306f\u3046\u307e\u304f\u306a\u3044\u3002\u591a\u5c11\u6539\u5909\u3057\u305f\u3002 cons = ->(a, list) do return [a] if !list or list == [] [a] + list end.curry #Ruby \u306b\u306f\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u304c\u306a\u3044\u306e\u3067\u3001\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u306b\u306f cons1 \u3092\u4f7f\u3046 cons1 = ->(list) do return [list, []] i\u2026","image_url":null,"author_name":"obelisk2","provider_name":"Hatena Blog","height":"190","width":"100%","title":"\u300c\u306a\u305c\u95a2\u6570\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u91cd\u8981\u304b\u300d\u89e3\u8aad\uff08Ruby\uff09","url":"https://obelisk.hatenablog.com/entry/2017/09/18/174131","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2017%2F09%2F18%2F174131\" title=\"\u300c\u306a\u305c\u95a2\u6570\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u91cd\u8981\u304b\u300d\u89e3\u8aad\uff08Ruby\uff09 - Camera Obscura\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2017-09-18 17:41:31","author_url":"https://blog.hatena.ne.jp/obelisk2/","categories":["Ruby"],"blog_url":"https://obelisk.hatenablog.com/","provider_url":"https://hatena.blog","type":"rich"}