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2008-3-9(æ¥)(13:00-18:00) æ±äº¬é½ (ã³ããã£ã¨ ãã¬ã¼ãã³ã°ã«ã¼ã )"The Haskell Programmer's Guide to the IO Monad â Don't Panic" Chapter 4ãã ï¼http://stefan-klinger.de/pub.xhtmlï¼ äº¤éã¢ã¯ã»ã¹: http://begi.net/modules/xfsection/article.phpâ¦