{"published":"2006-09-08 00:00:02","version":"1.0","blog_url":"https://lethevert.hatenadiary.org/","image_url":null,"height":"190","author_name":"lethevert","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/lethevert/","provider_url":"https://hatena.blog","type":"rich","url":"https://lethevert.hatenadiary.org/entry/20060908/p1","blog_title":"lethevert is a programmer","description":"\u5f53\u5206\u30e2\u30ca\u30c9\u306b\u306f\u89e6\u308c\u306a\u3044\u3064\u3082\u308a\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3061\u3087\u3063\u3068\u601d\u3044\u3064\u3044\u305f\u306e\u3067\u3001\u4e00\u3064\u66f8\u3044\u3066\u898b\u307e\u3059\u3002 \u3082\u3061\u308d\u3093\u3001\u526f\u4f5c\u7528\u304c\u306a\u3044\u53c2\u7167\u900f\u904e\u306aHaskell\u306b\u3068\u3063\u3066\u306f\u5168\u304f\u91cd\u8981\u3067\u306f\u306a\u3044\u3053\u3068\u3067\u3059\u304c IO\u3092\u884c\u3046\u30e2\u30ca\u30c9\u3092Haskell\u306e\u81ea\u4f5c\u3057\u3066\u307f\u3088\u3046\u3068\u3044\u3046\u30cd\u30bf\u3067\u3059\u3002unsafePerformIO\u3068\u3044\u3046\u95a2\u6570\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4f4e\u30ec\u30d9\u30eb\u3067\u526f\u4f5c\u7528\u3092\u6301\u3063\u305f\u5916\u90e8\u95a2\u6570\u3092\u547c\u3093\u3067\u3044\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u3002 module MyIO where import Monad import System.IO.Unsafe print2 a = (unsafePerformIO (putStrLn a)) `seq` (A ()) data A a = A \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flethevert.hatenadiary.org%2Fentry%2F20060908%2Fp1\" title=\"Haskell : \u30e2\u30ca\u30c9 - lethevert is a programmer\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Haskell : \u30e2\u30ca\u30c9","width":"100%"}