Monad
=====

```Example from <b>1 languages</b>: <a href="../concepts/haskell.html">Haskell</a>
-- https://stackoverflow.com/questions/44965/what-is-a-monad
parseExpr = parseString &lt;|&gt; parseNumber

parseString = do
        char &#39;&quot;&#39;
        x &lt;- many (noneOf &quot;\&quot;&quot;)
        char &#39;&quot;&#39;
        return (StringValue x)

parseNumber = do
    num &lt;- many1 digit
    return (NumberValue (read num))
```

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Languages *with* Monad include <a href="../concepts/haskell.html">Haskell</a>

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View all concepts with or missing a *hasMonads* measurement
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Read more about Monad on the web: 1.
 https://en.wikipedia.org/wiki/Monad_(functional_programming) 1.

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