{"provider_name":"Hatena Blog","version":"1.0","image_url":null,"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyamaimo.hatenablog.jp%2Fentry%2F2016%2F01%2F26%2F200000\" title=\"GHC\u306e\u4f7f\u3044\u65b9\u3092\u8abf\u3079\u3066\u307f\u305f\u3002\uff08\u305d\u306e7\uff09 - \u3044\u3082\u306e\u3084\u307e\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u3044\u3082\u306e\u3084\u307e\u3002","author_url":"https://blog.hatena.ne.jp/yamaimo0625/","published":"2016-01-26 20:00:00","width":"100%","categories":["\u6280\u8853","Haskell"],"title":"GHC\u306e\u4f7f\u3044\u65b9\u3092\u8abf\u3079\u3066\u307f\u305f\u3002\uff08\u305d\u306e7\uff09","blog_url":"https://yamaimo.hatenablog.jp/","type":"rich","author_name":"yamaimo0625","url":"https://yamaimo.hatenablog.jp/entry/2016/01/26/200000","height":"190","description":"\u6628\u65e5\u306fGHCi\u3067\u306e\u8907\u6570\u884c\u306e\u5165\u529b\u3068\u3001\u30aa\u30d5\u30b5\u30a4\u30c9\u30eb\u30fc\u30eb\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u305f\u3002 \u4eca\u65e5\u306f\u3001GHCi\u3067\u306e\u578b\u306a\u3069\u306e\u5ba3\u8a00\u3068\u3001\u578b\u3084\u8b58\u5225\u5b50\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8abf\u67fb\u306b\u3064\u3044\u3066\u3002 GHCi\u3067\u306e\u578b\u306a\u3069\u306e\u5ba3\u8a00 GHCi\u3067\u306f\u3001\u666e\u901a\u306eHaskell\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u578b\u3084\u578b\u30af\u30e9\u30b9\u3092\u5ba3\u8a00\u3057\u305f\u308a\u3001\u578b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5ba3\u8a00\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002 \u4f8b\u3048\u3070\u3001\u4e8c\u5206\u6728\u3092\u8868\u3059Tree a\u3068\u3044\u3046\u578b\u3092\u5ba3\u8a00\u3057\u3066\u307f\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\uff1a Prelude> :{ Prelude| data Tree a = Leaf { element :: a } Prelude| | Fork { element :: a Prelude| , left :: \u2026"}