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  <author_name>enakai00</author_name>
  <author_url>https://blog.hatena.ne.jp/enakai00/</author_url>
  <blog_title>めもめも</blog_title>
  <blog_url>https://enakai00.hatenablog.com/</blog_url>
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  <description>おもむろに・・・ 前回に続いて、Continuation Monadと組み合わせて使用する、関数callCCを解説します。前回作成したCont型（Continuation Monad）と関数pythagoras2を再掲します。cps.hs newtype Cont r a = Cont { runCont :: (a -&gt; r) -&gt; r } instance Monad (Cont r) where return x = Cont (\k -&gt; k x) m &gt;&gt;= f = Cont (\k -&gt; runCont m (\x -&gt; runCont (f x) k)) infixr 5 =: …</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2012-10-13 21:39:47</published>
  <title>HaskellのContinuation Monadを理解する(2)</title>
  <type>rich</type>
  <url>https://enakai00.hatenablog.com/entry/20121013/1350131987</url>
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