{"blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5","provider_url":"https://hatena.blog","author_name":"E_Mattsan","provider_name":"Hatena Blog","title":"\u30ea\u30cf\u30d3\u30ea\uff08\u4e2d\u7565\uff09lis.hs\u306b\u66f8\u304d\u76f4\u3057\u3066\u307f\u305f\u3001\u306e\u3064\u3065\u304d","type":"rich","categories":["Haskell"],"height":"190","blog_url":"https://blog.emattsan.org/","version":"1.0","author_url":"https://blog.hatena.ne.jp/E_Mattsan/","image_url":null,"published":"2011-01-13 21:16:04","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F20110113%2F1294920964\" title=\"\u30ea\u30cf\u30d3\u30ea\uff08\u4e2d\u7565\uff09lis.hs\u306b\u66f8\u304d\u76f4\u3057\u3066\u307f\u305f\u3001\u306e\u3064\u3065\u304d - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5\" 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://blog.emattsan.org/entry/20110113/1294920964","description":"\u3055\u3089\u306b\u6628\u65e5\u306e\u3064\u3065\u304d\u3002 Atom\u3092Show\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u3053\u308c\u3067show\u95a2\u6570\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u3075\u3060\u3093\u306f\u624b\u3063\u53d6\u308a\u65e9\u304f\u300cdata Atom \uff08\u4e2d\u7565\uff09 deriving Show\u300d\u3068\u3084\u3063\u3066\u7d42\u308a\u306b\u3057\u3066\u3044\u305f\u306e\u3067\u3001\u6539\u3081\u3066Haskell\u306e\u57fa\u672c\u3092\u8abf\u3079\u306a\u304a\u3057\u3066\u66f8\u304d\u76f4\u3057\u3002\u57fa\u790e\u7df4\u7fd2\u3001\u5927\u4e8b\u3067\u3059\u306d\u3002 \u5f53\u8a72\u30b3\u30fc\u30c9\u306e\u629c\u7c8b\u3002 \uff08\u3053\u3061\u3089\u66f4\u65b0\u3057\u3066\u307e\u3059\uff1agist:775233 \u00b7 GitHub\uff09 instance Show Atom where show (INT i) = show i show (REAL r) = show r show (BOOL b) = show b show (SYMBOL s)\u2026","width":"100%"}