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<h2>Function composition in Haskell</h2>
+<p>(This post is intended for for Haskell beginners.)</p>
<p>In Haskell, the dot operator <code>(.)</code>, written infix like <code>f . g</code>, is <em>function composition</em>.
For example, suppose you have two functions:</p>
<pre><code class="language-haskell">addone :: Int -&gt; Int